Meaning : Draw into the mouth by creating a practical vacuum in the mouth.
Example :
Suck the poison from the place where the snake bit.
Suck on a straw.
The baby sucked on the mother's breast.
Meaning : Draw something in by or as if by a vacuum.
Example :
Mud was sucking at her feet.
Meaning : Attract by using an inexorable force, inducement, etc..
Example :
The current boom in the economy sucked many workers in from abroad.
Synonyms : suck in
Meaning : Provide sexual gratification through oral stimulation.
Synonyms : blow, fellate, go down on
Meaning : Give suck to.
Example :
The wetnurse suckled the infant.
You cannot nurse your baby in public in some places.
Synonyms : breastfeed, give suck, lactate, nurse, suckle, wet-nurse
Feed (infants) with a bottle.
bottlefeed