1.the act of sucking
1.draw into the mouth by creating a practical vacuum in the mouth;
suck the poison from the place where the snake bit
2.draw something in by or as if by a vacuum;
Mud was sucking at her feet
3.attract by using an inexorable force, inducement, etc.;
The current boom in the economy sucked many workers in from abroad
4.take in, also metaphorically;
The sponge absorbs water well
5.give suck to;
The wetnurse suckled the infant