Main Entry: ¹cleft

Pronunciation: \ˈkleft\

Function: noun

Etymology: Middle English clift, from Old English geclyft; akin to Old English clēofan to cleave

Date: 14th century

1 : a space or opening made by or as if by splitting : fissure
2 : a usually V-shaped indented formation : a hollow between ridges or protuberances <the anal cleft of the human body>