n. 25B6; noun
clusters of berries : BUNCH, clump, mass, knot, group, clutch, bundle, truss.
a cluster of spectators : CROWD, group, knot, huddle, bunch, throng, flock, pack, band; informal gang, gaggle.
25B6; verb they clustered around the television : CONGREGATE, gather, collect, group, assemble; huddle, crowd, flock.