Definition of fissure:
lad, fracture, feller, chink, fling, sally, cuss, quip, chap, crack, wisecrack, open, offer, help, pass, shot, cracking, crack cocaine, gap, crevice, scissure, gent, cleft, estrangement, snap, schism, rift, assemble, breach, fellow, tornado, disaffection, cranny, whirl, bloke, fella, go, blighter.
- bisection (part of speech: noun)
gap (part of speech: noun)
- halve (part of speech: verb)
- disjunction (part of speech: noun)