slit

A long, straight, narrow cut or opening.

To make a slit or slits in.

To cut lengthwise into strips; split.

To cut asunder; cleave; split; rend; sever.

To cut lengthwise or into long pieces or strips: as, the gale has slit the sails into ribbons.

To cut or make a long fissure in; slash.

A long cut or rent; a narrow opening.

A pocket.

A cleft or crack in the breast of fat cattle.

In coal-mining, a short heading connecting two other headings.