1. To attract by using an inexorable force, inducement; SYN. draw in.
2. To take in liquid by sucking.
3. To draw something in by or as if by exerting a suction force; especially; to draw milk from a breast or udder with the mouth
4. To make a sound or motion associated with or caused by suction
5. To act in an obsequious manner — usually used with up

1. A sucking movement or force
2. The act of sucking