n.
Pronunciation: ' s ə k-sh ə n
Function: noun
Etymology: Late Latin suction-, suctio, from Latin sugere to suck ― more at SUCK
Date: 1626
1 : the act or process of sucking
2 a : 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 b : force so exerted
3 : a device (as a pipe or fitting) used in a machine that operates by suction
– suc · tion · al \ -sh ə -n ə l, -shn ə l \ adjective