I. ˈsēp, Brit usually ˈsīp intransitive verb
Etymology: Middle English sipen, from Old English sipian — more at seep
chiefly dialect : seep , percolate
II. noun
( -s )
Etymology: sipe (I) ; from its wiping the road surface dry
: any of the small often hook-shaped or bracket-shaped grooves in the tread of an automobile tire for providing extra traction and preventing skids