'close up' definitions:

Definition of 'close up'

(from WordNet)
adverb
Very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed" [syn: close up, at close range]
verb
Cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."; "close up the shop" [syn: close up, close, fold, shut down, close down] [ant: open, open up]
verb
Block passage through; "obstruct the path" [syn: obstruct, obturate, impede, occlude, jam, block, close up] [ant: disengage, free]
verb
Unite or bring into contact or bring together the edges of; "close the circuit"; "close a wound"; "close a book"; "close up an umbrella" [syn: close up, close]
verb
Refuse to talk or stop talking; fall silent; "The children shut up when their father approached" [syn: close up, clam up, dummy up, shut up, belt up, button up, be quiet, keep mum] [ant: open up]

Synonyms of 'close up'

From: Moby Thesaurus

Words containing 'close up'