Suck v. t. [imp. & p. p. Sucked p. pr. & vb. n. Sucking.]
 1. To draw, as a liquid, by the action of the mouth and tongue, which tends to produce a vacuum, and causes the liquid to rush in by atmospheric pressure; to draw, or apply force to, by exhausting the air.
 2. To draw liquid from by the action of the mouth; as, to suck an orange; specifically, to draw milk from (the mother, the breast, etc.) with the mouth; as, the young of an animal sucks the mother, or dam; an infant sucks the breast.
 3. To draw in, or imbibe, by any process resembles sucking; to inhale; to absorb; as, to suck in air; the roots of plants suck water from the ground.
 4. To draw or drain.
    Old ocean, sucked through the porous globe.   --Thomson.
 5. To draw in, as a whirlpool; to swallow up.
    As waters are by whirlpools sucked and drawn.   --Dryden.
 To suck in, to draw into the mouth; to imbibe; to absorb.
 To suck out, to draw out with the mouth; to empty by suction.
 To suck up, to draw into the mouth; to draw up by suction or absorption.