Real Dictionary

slash
verb: If you slash something, you make a long, deep cut in it.

slash in American English 1
to cut or wound with a sweeping stroke or strokes, as of a knife
intransitive verb: to lay about one with sharp, sweeping strokes; make one's way by cutting
noun: a sweeping stroke, as with a knife, sword, or pen
transitive verb: to cut with a violent sweeping stroke or by striking violently and at random, as with a knife or sword

slash in American English 2
a low, swampy area, usually covered with brush
noun: a tract of wet or swampy ground overgrown with bushes or trees

slash in British English
to cut or lay about (a person or thing) with sharp sweeping strokes, as with a sword, knife, etc
noun: a sharp, sweeping stroke, as with a sword or whip