strop

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, in this sense also called razor strop.

nauticalA piece of rope spliced into a circular wreath, and put round a block for hanging it.

UKA bad mood or temper.

slangA poor-quality or unsaleable diamond.

A leather strap used to sharpen razors

recorded since 1842now most usedTo hone (a razor) with a strop.

“One should strop the razor before each shave.”

computingTo mark a sequence of letters syntactically as having a special property, such as being a keyword, e.g. by enclosing in apostrophes as in or writing in uppercase as in.