crotch·et /ˈkrɑʧət/
 怪想,奇想,反復無常,小鉤


 Crotch·et, v. i. To play music in measured time. [Obs.]

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 Crotch·et n.
 1. A forked support; a crotch.
    The crotchets of their cot in columns rise.   --Dryden.
 2. Mus. A time note, with a stem, having one fourth the value of a semibreve, one half that of a minim, and twice that of a quaver; a quarter note.
 3. Fort. An indentation in the glacis of the covered way, at a point where a traverse is placed.
 4. Mil. The arrangement of a body of troops, either forward or rearward, so as to form a line nearly perpendicular to the general line of battle.
 5. Print. A bracket. See Bracket.
 6. Med. An instrument of a hooked form, used in certain cases in the extraction of a fetus.
 7. A perverse fancy; a whim which takes possession of the mind; a conceit.
    He ruined himself and all that trusted in him by crotchets that he could never explain to any rational man.   --De Quincey.


 crotchet
      n 1: a sharp curve or crook; a shape resembling a hook [syn: hook]
      2: a musical note having the time value of a quarter of a whole
         note [syn: quarter note]
      3: a strange attitude or habit [syn: oddity, queerness, quirk,
          quirkiness]
      4: a small tool or hook-like implement