Meaning of BUTTON UP

WordNet Dictionary
	Definition:		[v]  refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
	Websites:
	Synonyms:		be quiet, belt up, clam up, close up, dummy up, keep mum, shut up
	Antonyms:		open up
Thesaurus Terms
	Related Terms:		bang, bar, barricade, batten, batten down, bolt, button, cap, carry to completion, choke, choke off, clam up, clap, clean up, climax, close, close out, close up, complete, conclude, constrict, contain, contract, cover, crown, culminate, dummy up, end, fasten, finalize, finish, finish off, finish up, fold, fold up, get done, get it over, get through, get through with, key, latch, lock, lock out, lock up, mop up, occlude, padlock, perfect, plumb, round out, seal, seal off, seal up, secure, shut, shut the door, shut up, slam, snap, squeeze shut, strangle, terminate, top off, top out, wind up, wrap up, zip up, zipper