strop

Short definition from Wiktionary

Noun

1. 1
   A strap; more specifically a piece of leather or a substitute (notably canvas), or strip of wood covered with a suitable material, for honing a razor.
2. 2
   A piece of rope spliced into a circular wreath, and put round a block for hanging it.
3. 3
   A bad mood or temper. A tantrum.
4. 4
   A poor-quality or unsaleable diamond.

Verb

1. 1
   To hone (a razor or knife) with a strop.
2. 2
   To strap.
3. 3
   To mark a sequence of letters syntactically as having a special property, such as being a keyword, e.g. by enclosing in apostrophes as in 'foo' or writing in uppercase as in FOO.