army

1 a large body of men and women organized for land warfare In 218 b.c., Hannibal crossed the Alps with an army of 26,000 men and, most famously, a number of elephants Synonyms array, battalion, host, legion Related Words militia, national guard, standing army; infantry, ranks, regulars, soldiers, troopers, troops

2 a great number of persons or creatures massed together a vast army of loyal fans in line for the band's farewell concert Synonyms crowd, bike [chiefly Scottish], cram, crush, drove, flock, herd, horde, host, legion, mass, mob, multitude, press, rout, scrum, swarm, throngRelated Words masses, millions, rabble, rabblement, riffraff; gaggle; heap, mountain, pile; jam, logjam

3 a group of people working together on a task an army of rescue workers descended on the tornado-stricken town Synonyms gang, band, brigade, company, crew, outfit, party, platoon, squad, teamRelated Words battalion, corps, troop; force, host, posse, stable, troupe; administration, department, help, personnel, staff