(1):
(adv.) Aside; away.
(2):
(adv.) Separately, in regard to space or company; in a state of separation as to place; aside.
(3):
(adv.) In a state of separation, of exclusion, or of distinction, as to purpose, use, or character, or as a matter of thought; separately; independently; as, consider the two propositions apart.
(4):
(adv.) In two or more parts; asunder; to piece; as, to take a piece of machinery apart.