v. & n.
v. 1 tr. collect (orig. soldiers) for inspection, to check numbers, etc. 2 tr. & intr. collect, gather together. 3 tr. Austral. round up (livestock).
n. 1 the assembly of persons for inspection. 2 an assembly, a collection. 3 Austral. a rounding up of livestock. 4 Austral. sl. attendance (at a meeting, etc.) (had a good muster). muster-book a book for registering military personnel. muster in US enrol (recruits). muster out US discharge (soldiers etc.). muster-roll an official list of officers and men in a regiment or ship's company. muster up collect or summon (courage, strength, etc.). pass muster be accepted as adequate. musterer n. (in sense 3 of n. & v.).
[ ME f. OF mo(u)stre ult. f. L monstrare show ]