| Suction (n.) The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Thesaurus Entries aspiration, bleeding, bloodletting, broaching, cupping, drafting, drag, drainage, draining, drawing, emptying, favor, inhalation, inhalement, inside track, inspiration, interest, milking, phlebotomy, pipetting, pull, pumping, siphoning, sniff, sniffle, snuff, snuffle, special favor, suck, sucking, tapping, venesection |