SUCTION

I. noun see: suck Date: 1626 the act or process of sucking, 2. the act or process of exerting a force upon a solid, liquid, or gaseous body by reason of reduced air pressure over part of its surface, force so exerted, a device (as a pipe or fitting) used in a machine that operates by ~, ~al adjective II. transitive verb Date: 1954 to remove (as from a body cavity or passage) by ~