From WordNet (r) 3.0 (2006):
flock
n 1: a church congregation guided by a pastor
2: a group of birds
3: (often followed by `of') a large number or amount or extent;
"a batch of letters"; "a deal of trouble"; "a lot of money";
"he made a mint on the stock market"; "see the rest of the
winners in our huge passel of photos"; "it must have cost
plenty"; "a slew of journalists"; "a wad of money" [syn:
batch, deal, flock, 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]
4: an orderly crowd; "a troop of children" [syn: troop,
flock]
5: a group of sheep or goats [syn: flock, fold]
v 1: move as a crowd or in a group; "Tourists flocked to the
shrine where the statue was said to have shed tears"
2: come together as in a cluster or flock; "The poets
constellate in this town every summer" [syn: cluster,
constellate, flock, clump]