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"
draw something in by or as if by a vacuum; "Mud was sucking at her feet"
attract by using an inexorable force, inducement, etc.; "The current boom in the economy sucked many workers in from abroad"
the spatial property of the position from which something is observed
a mental position from which things are viewed; "we should consider this problem from the viewpoint of the Russians"; "teaching history gave him a special point of view toward current events"
work that you are obliged to perform for moral or legal reasons; "the duties of the job"
the social force that binds you to the courses of action demanded by that force; "we must instill a sense of duty in our children"; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
a government tax on imports or exports; "they signed a treaty to lower duties on trade between their countries"