to draw (a liquid or other substance) into the mouth by creating a partial vacuum in the mouth

to draw in (fluid, etc) by or as if by a similar action

to drink milk from (a mother's breast); suckle

to extract fluid content from (a solid food)

to take into the mouth and moisten, dissolve, or roll around with the tongue

to draw by using irresistible force

(of a pump) to draw in air because of a low supply level or leaking valves, pipes, etc

to assimilate or acquire (knowledge, comfort, etc)

to be contemptible or disgusting

the act or an instance of sucking

something that is sucked, esp milk from the mother's breast

an attracting or sucking force

a sound caused by sucking