WordNet (r) 3.0 (2006):
give off v 1: have as a by-product; "The big cities gave off so many wonderful American qualities" 2: give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.; "The ozone layer blocks some harmful rays which the sun emits" [syn: emit, give out, give off] [ant: absorb, take in]