transitive verb

1. to assemble or summon (troops, etc.), as for inspection, roll call, or service
2. to put through a roll call
3. to gather together and display; collect; summon: often with up to muster up strength
4. to have in number; amount to

Etymology: ME mousteren < OFr moustrer, to exhibit, show < ML mustrare < L monstrare, to show < monstrum: see monster

intransitive verb

noun

1. a gathering together or assembling, as of troops for inspection
2. 1. the persons or things assembled; assemblage
   2. the sum of these
3. the roll, or list, of persons in a military or naval unit
   also muster roll