clefts
noun
Definitions
An opening, fissure, or V-shaped indentation made by or as if by splitting.
A piece made by splitting.
Example: a cleft of wood
A disease of horses; a crack on the band of the pastern.
verb
Definitions
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."