cleft 
(kl
ĕft)
v.A past tense and a past participle of cleave1.
adj.1. Divided; split.
2. Botany Having indentations that extend about halfway to the center, as in certain leaves.
n.1. A crack, crevice, or split.
2. A split or indentation between two parts, as of the chin.
[Middle English, past participle of cleven, to split; see CLEAVE1. N., from Middle English, alteration (influenced by cleft) of clift, from Old English geclyft; see gleubh- in the Appendix of Indo-European roots.]