flock

[1]	assemble , meet , collect , gather , come/go together , congregate , crowd , mass , mob , throng , pour , flood , swarm , herd (together) , band together , go
[2]	cluster , constellate , clump

[1]	body , company , group , band , pack , bunch , troop , set , collection , assembly , convoy , gathering , congregation , crowd , mass , mob , throng , gang , multitude , number , quantity , host , horde , swarm , drove , herd , flight , troupe , fleet , school , bevy
[2]	batch , deal , good deal , great deal , hatful , heap , lot , mass , mess , mickle , mint , mountain , muckle , passel , peck , pile , plenty , pot , quite a little , raft , sight , slew , spate , stack , tidy sum , wad
[3]	troop
[4]	fold