'clear out' definitions:

Definition of 'clear out'

From: WordNet
verb
Move out and leave nothing behind
verb
Clear out the chest and lungs; "This drug expectorates quickly" [syn: expectorate, clear out, drive out]
verb
Empty completely; "We cleaned out all the drawers" [syn: clean out, clear out]

Synonyms of 'clear out'

From: Moby Thesaurus