a company of persons or, sometimes, animals or things, joined, acting, or functioning together; aggregation; party; troop: a band of protesters.
Music. a group of instrumentalists playing music of a specialized type: rock band; calypso band; mariachi band. a musical group, usually employing brass, percussion, and often woodwind instruments, that plays especially for marching or open-air performances. big band. dance band.
a division of a nomadic tribe; a group of individuals who move and camp together and subsist by hunting and gathering.
a group of persons living outside the law: a renegade band.