to cut apart or open along a line; make a long cut, fissure, or opening in.

to cut or rend into strips; split.

a straight, narrow cut, opening, or aperture.

noun

closure

verb

close , mend , sew

noun

aperture , breach , cleavage , cleft , crack , crevice , fissure , gash , hole , incision , rent , split , tear , slash , slice

verb

gash , incise , knife , lance , pierce , rip , sever , slash , slice , slot , split open , tear , carve , cleave , dissever , split , aperture , crack , cut , fissure , opening , rent