(1):
(pron. & a.) Not this, but the contrary; opposite; as, the other side of a river.
(2):
(pron. & a.) Different from that which, or the one who, has been specified; not the same; not identical; additional; second of two.
(3):
(conj.) Either; - used with other or or for its correlative (as either . . . or are now used).
(4):
(pron. & a.) Alternate; second; - used esp. in connection with every; as, every other day, that is, each alternate day, every second day.
(5):
(pron. & a.) Left, as opposed to right.
(6):
(adv.) Otherwise.