Scor·pi·on n.
 1. Zool. Any one of numerous species of pulmonate arachnids of the order Scorpiones, having a suctorial mouth, large claw-bearing palpi, and a caudal sting.
 Note: ☞ Scorpions have a flattened body, and a long, slender post-abdomen formed of six movable segments, the last of which terminates in a curved venomous sting. The venom causes great pain, but is unattended either with redness or swelling, except in the axillary or inguinal glands, when an extremity is affected. It is seldom if ever destructive of life. Scorpions are found widely dispersed in the warm climates of both the Old and New Worlds.
 2. Zool. The pine or gray lizard (Sceloporus undulatus). [Local, U. S.]
 3. Zool. The scorpene.
 4. Script. A painful scourge.
    My father hath chastised you with whips, but I will chastise you with scorpions.   --1 Kings xii. 11.
 5. Astron. A sign and constellation. See Scorpio.
 6. Antiq. An ancient military engine for hurling stones and other missiles.
 Book scorpion. Zool. See under Book.
 False scorpion. Zool. See under False, and Book scorpion.
 Scorpion bug, or Water scorpion Zool. See Nepa.
 Scorpion fly Zool., a neuropterous insect of the genus Panorpa. See Panorpid.
 Scorpion grass Bot., a plant of the genus Myosotis.  Myosotis palustris is the forget-me-not.
 Scorpion senna Bot., a yellow-flowered leguminous shrub (Coronilla Emerus) having a slender joined pod, like a scorpion's tail. The leaves are said to yield a dye like indigo, and to be used sometimes to adulterate senna.
 Scorpion shell Zool., any shell of the genus Pteroceras. See Pteroceras.
 Scorpion spiders. Zool., any one of the Pedipalpi.
 Scorpion's tail Bot., any plant of the leguminous genus Scorpiurus, herbs with a circinately coiled pod; -- also called caterpillar.
 Scorpion's thorn Bot., a thorny leguminous plant (Genista Scorpius) of Southern Europe.
 The Scorpion's Heart Astron., the star Antares in the constellation Scorpio.

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 False a. [Compar. Falser superl. Falsest.]
 1. Uttering falsehood; unveracious; given to deceit; dishnest; as, a false witness.
 2. Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; false to promises.
    I to myself was false, ere thou to me.   --Milton.
 3. Not according with truth or reality; not true; fitted or likely to deceive or disappoint; as, a false statement.
 4. Not genuine or real; assumed or designed to deceive; counterfeit; hypocritical; as, false tears; false modesty; false colors; false jewelry.
    False face must hide what the false heart doth know.   --Shak.
 5. Not well founded; not firm or trustworthy; erroneous; as, a false claim; a false conclusion; a false construction in grammar.
    Whose false foundation waves have swept away.   --Spenser.
 6. Not essential or permanent, as parts of a structure which are temporary or supplemental.
 7. Mus. Not in tune.
 False arch Arch., a member having the appearance of an arch, though not of arch construction.
 False attic, an architectural erection above the main cornice, concealing a roof, but not having windows or inclosing rooms.
 False bearing, any bearing which is not directly upon a vertical support; thus, the weight carried by a corbel has a false bearing.
 False cadence, an imperfect or interrupted cadence.
 False conception Med., an abnormal conception in which a mole, or misshapen fleshy mass, is produced instead of a properly organized fetus.
 False croup Med., a spasmodic affection of the larynx attended with the symptoms of membranous croup, but unassociated with the deposit of a fibrinous membrane.
 False door or False window Arch., the representation of a door or window, inserted to complete a series of doors or windows or to give symmetry.
 False fire, a combustible carried by vessels of war, chiefly for signaling, but sometimes burned for the purpose of deceiving an enemy; also, a light on shore for decoying a vessel to destruction.
 False galena. See Blende.
 False imprisonment Law, the arrest and imprisonment of a person without warrant or cause, or contrary to law; or the unlawful detaining of a person in custody.
 False keel Naut., the timber below the main keel, used to serve both as a protection and to increase the shio's lateral resistance.
 False key, a picklock.
 False leg. Zool. See Proleg.
 False membrane Med., the fibrinous deposit formed in croup and diphtheria, and resembling in appearance an animal membrane.
 False papers Naut., documents carried by a ship giving false representations respecting her cargo, destination, etc., for the purpose of deceiving.
 False passage Surg., an unnatural passage leading off from a natural canal, such as the urethra, and produced usually by the unskillful introduction of instruments.
 False personation Law, the intentional false assumption of the name and personality of another.
 False pretenses Law, false representations concerning past or present facts and events, for the purpose of defrauding another.
 False rail Naut., a thin piece of timber placed on top of the head rail to strengthen it.
 False relation Mus., a progression in harmony, in which a certain note in a chord appears in the next chord prefixed by a flat or sharp.
 False return Law, an untrue return made to a process by the officer to whom it was delivered for execution.
 False ribs Anat., the asternal rebs, of which there are five pairs in man.
 False roof Arch., the space between the upper ceiling and the roof. --Oxford Gloss.
 False token, a false mark or other symbol, used for fraudulent purposes.
 False scorpion Zool., any arachnid of the genus Chelifer. See Book scorpion.
 False tack Naut., a coming up into the wind and filling away again on the same tack.
 False vampire Zool., the Vampyrus spectrum of South America, formerly erroneously supposed to have blood-sucking habits; -- called also vampire, and ghost vampire. The genuine blood-sucking bats belong to the genera Desmodus and Diphylla. See Vampire.
 False window. Arch. See False door, above.
 False wing. Zool. See Alula, and Bastard wing, under Bastard.
 False works Civil Engin., construction works to facilitate the erection of the main work, as scaffolding, bridge centering, etc.


 false scorpion
      n : small nonvenomous arachnid resembling a tailless scorpion
          [syn: pseudoscorpion]