Meaning of DEFROST in English

v. 1 tr. a free (the interior of a refrigerator) of excess frost, usu. by turning it off for a period. b remove frost or ice from (esp. the windscreen of a motor vehicle). 2 tr. unfreeze (frozen food). 3 intr. become unfrozen. defroster n.

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.