noun An opening, fissure, or V-shaped indentation made by or as if by splitting.
The river flows through a cleft in the mountains.
noun A piece made by splitting.
a cleft of wood
noun A disease of horses; a crack on the band of the pastern.
verb To syntactically separate a prominent constituent from the rest of the clause that concerns it, such as threat in "The threat which I saw but which he didn't see, was his downfall."
verb simple past and past participle of cleave
adjective split, divided, or partially divided into two.