Suck·ing, a. Drawing milk from the mother or dam; hence, colloquially, young, inexperienced, as, a sucking infant; a sucking calf.
    I suppose you are a young barrister, sucking lawyer, or that sort of thing.   --Thackeray.
 Sucking bottle, a feeding bottle. See under Bottle.
 Sucking fish Zool., the remora. See Remora. --Baird.
 Sucking pump, a suction pump. See under Suction.
 Sucking stomach Zool., the muscular first stomach of certain insects and other invertebrates which suck liquid food.

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