Definitions from Wiktionary ( )

▸ verb:  (transitive) To split or sever something with, or as if with, a sharp instrument.
▸ verb:  (transitive, mineralogy) To break a single crystal (such as a gemstone or semiconductor wafer) along one of its more symmetrical crystallographic planes (often by impact), forming facets on the resulting pieces.
▸ verb:  (transitive) To make or accomplish by or as if by cutting.
▸ verb:  (transitive) (chemistry) To split (a complex molecule) into simpler molecules.
▸ verb:  (intransitive) To split.
▸ verb:  (intransitive, mineralogy) Of a crystal, to split along a natural plane of division.
▸ noun:  (technology) Flat, smooth surface produced by cleavage, or any similar surface produced by similar techniques, as in glass.
▸ verb:  (intransitive, rare) Followed by to or unto: to adhere, cling, or stick fast to something.
▸ noun:  A surname.

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