the act of sucking
give suck to
"The wetnurse suckled the infant"
"You cannot nurse your baby in public in some places"
- wet nurse - give suck
take in, also metaphorically
"The sponge absorbs water well"
"She drew strength from the minister's words"
- soak up - sop up - suck up - take in - take up
provide sexual gratification through oral stimulation
- go down on
be inadequate or objectionable
attract by using an inexorable force, inducement, etc.
"The current boom in the economy sucked many workers in from abroad"
- suck in
draw something in by or as if by a vacuum
"Mud was sucking at her feet"
draw into the mouth by creating a practical vacuum in the mouth
"suck the poison from the place where the snake bit"
"suck on a straw"
"the baby sucked on the mother's breast"