separate or cut with a tool, such as a sharp instrument Instead someone shouts "Go" and he is bearing down on me and almost cleaves my shield in two with his first blow. — BBC (Aug 7, 2011) [..]

"to adhere," Middle English cleven, clevien, cliven, from Old English clifian, cleofian, from West Germanic *klibajan (source also of Old Saxon klibon, Old High German kliban, Dutch kleven, [..]

"to split," Old English cleofan, cleven, cliven "to split, separate" (class II strong verb, past tense cleaf, past participle clofen), from Proto-Germanic *kleuban (source also of [..]

To break off by way of cleavage.

In an optical fiber, a deliberate, controlled break, intended to create a perfectly flat endface, perpendicular to the longitudinal axis of the fiber. Note: A cleave is made by first introducing a microscopic fracture ("nick") into the fiber with a special tool, called a "cleaving tool,"which has a sharp blade of hard material, [..]

(v) separate or cut with a tool, such as a sharp instrument(v) make by cutting into(v) come or be in close contact with; stick or hold together and resist separation

Either to stick to or to part from. A man “shall cleave to his wife” (Matt. xix. 5). As one that “cleaveth wood” (Psalm cxli. 7). The former is the Anglo-Saxon clíf [..]

Chop up.

(n.) Any attack that hits within the frontal cone of a monster.

(transitive) To split or sever something with, or as if with, a sharp instrument. ''The wings cleaved the foggy air.'' * Shakespeare *: O Hamlet, thou hast cleft my heart in twain. (transitive [..]