an opening made by splitting, cleaving, etc.; fissure; cleft; chink.

an open space, as in a forest or cloud mass, or a clear interval.

a break in friendly relations

a rift between two people; a rift between two nations.

a difference in opinion, belief, or interest that causes such a break in friendly relations.

Geology .

a fault.

a graben of regional extent.

the plane or direction along which a log or mass of granite can most easily be split.

wood or a piece of wood that has been split radially from a log.

to burst open; split.

noun

closing , closure , agreement , concordance

noun

breach , chink , cleavage , cleft , cranny , crevice , fault , fissure , flaw , fracture , gap , hiatus , interruption , interval , opening , parting , rent , rima , rime , space , split , alienation , break , clash , disagreement , division , estrangement , falling out , misunderstanding , quarrel , rupture , schism , separation , disaffection , aswarm , blemish , chasm , cleave , crack , crevasse , divide

verb

fracture , rive , shatter , shiver , smash , splinter , sunder