An open fissure or crack in a surface; a cleft, crack, chink, leak. Obsolete.

gen. A space made by cleaving, splitting, or separation of parts; a split, fissure, crack, crevice.

A crack producing an opening in the surface or through the thickness of anything solid; a cleft, rift, chink, fissure.

A small narrow opening or hole; a chink, crevice, crack, fissure.

A fissure or opening formed by the cracking, breaking, or bursting of a hard substance.

A small opening or hole; a cranny, crevice, chink.

A long and narrow aperture through the depth or thickness of an object; a slit, an opening in a joint between boards, etc.

Sometimes used as = Chink, crevice, crack: but probably by confusion with crack and cranny.

A cut or slash in any material; a cleft or crevice; a long opening. Also figurative.

= chawn, n.

A gap, cleft, chink, rift, fissure; a chine.

A cleft or opening (usually rather long and narrow) made by splitting, cleaving, or separation of parts; ‘a narrow chasm where a breach has been…

Mining. A narrow fissure in a layer of rock. Obsolete. rare.