Rive

v. t.	1.	To rend asunder by force; to split; to cleave; as, to rive timber for rails or shingles. [imp. Rived ; p. p. Rived or Riven ( ); p. pr. & vb. n. Riving.] I shall ryve him through the sides twain. - Chaucer. The scolding winds have rived the knotty oaks. - Shak. Brutus hath rived my heart. - Shak.
v. i.	1.	To be split or rent asunder. Freestone rives, splits, and breaks in any direction. - Woodward.
n.	1.	A place torn; a rent; a rift.

Verb	1.	rive - tear or be torn violently; "The curtain ripped from top to bottom"; "pull the cooked chicken into strips" Synonyms: rend, rip, pull
	2.	rive - separate or cut with a tool, such as a sharp instrument; "cleave the bone" Synonyms: cleave, split

amputate, ax, bisect, breach, break, broach, butcher, carve, check, chink, chop, cleave, crack, crevasse, cut, cut apart, cut away, cut in two, cut off, cut open, dichotomize, dispart, dissever, ditch, divaricate, divide, excise, fissure, fly open, fracture, furrow, gap, gash, groove, hack, halve, hew, incise, jigsaw, lance, lay open, ope, open, open up, pare, part, prune, rend, rent, rift, rip, rupture, saw, scissor, separate, sever, slash, slice, slit, slot, snip, split, spread, spread out, spring open, sunder, swing open, tap, tear, tear open, throw open, trench, whittle