a. [ Oto- + acoustic: cf. F. otacoustique. ] Assisting the sense of hearing; as, an otacoustic instrument. [ 1913 Webster ]

{ } n. An instrument to facilitate hearing, as an ear trumpet. [ 1913 Webster ]

[ So named from Otaheite, or Tahiti, one of the Society Islands. ] (Bot.) (a) The fruit of a Polynesian anacardiaceous tree (Spondias dulcis), also called vi-apple. It is rather larger than an apple, and the rind has a flavor of turpentine, but the flesh is said to taste like pineapples. (b) A West Indian name for a myrtaceous tree (Jambosa Malaccensis) which bears crimson berries. [ 1913 Webster ]

‖n. [ NL., fr. Gr. 'wtalgi`a; o'y^s, 'wto`s, the ear + 'a`lgos pain: cf. F. otalgie. ] (Med.) Pain in the ear; earache. [ 1913 Webster ]

a. (Med.) Of or pertaining to otalgia. -- n. A remedy for otalgia. [ 1913 Webster ]

n. Pain in the ear; otalgia. [ 1913 Webster ]

n.; pl. Otaries [ Gr. 'wtaro`s large-eared, fr. o'y^s, 'wto`s, ear: cf. F. otarie. ] (Zool.) Any eared seal. [ 1913 Webster ]

n. [ Gr. 'wqei^n to push + -scope. ] (Physics) An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radiometer. W. Crookes. [ 1913 Webster ]

conj. [ See Or. ] Either; -- used with other or or for its correlative (as either . . . or are now used). [ Obs. ] [ 1913 Webster ]

Other of chalk, other of glass. Chaucer. [ 1913 Webster ]

pron. & a. [ AS. ōðer; akin to OS. āðar, ōðar, D. & G. ander, OHG. andar, Icel. annarr, Sw. annan, Dan. anden, Goth. anþar, Skr. antara: cf. L. alter; all orig. comparatives: cf. Skr. anya other. √180. Cf. Alter. ] [ Formerly other was used both as singular and plural. ] [ 1913 Webster ]

1. Different from that which, or the one who, has been specified; not the same; not identical; additional; second of two. [ 1913 Webster ]

Each of them made other for to win. Chaucer. [ 1913 Webster ]

Whosoever shall smite thee on thy right cheek, turn to him the other also. Matt. v. 39. [ 1913 Webster ]

2. Not this, but the contrary; opposite; as, the other side of a river. [ 1913 Webster ]

3. Alternate; second; -- used esp. in connection with every; as, every other day, that is, each alternate day, every second day. [ 1913 Webster ]

4. Left, as opposed to right. [ Obs. ] [ 1913 Webster ]

A distaff in her other hand she had. Spenser. [ 1913 Webster ]

☞ Other is a correlative adjective, or adjective pronoun, often in contrast with one, some, that, this, etc.

The one shall be taken, and the other left. Matt. xxiv. 41.

And some fell among thorns . . . but other fell into good ground. Matt. xiii. 7, 8.

It is also used, by ellipsis, with a noun, expressed or understood.

To write this, or to design the other. Dryden.

It is written with the indefinite article as one word, another; is used with each, indicating a reciprocal action or relation; and is employed absolutely, or eliptically for other thing, or other person, in which case it may have a plural.

The fool and the brutish person perish, and leave their wealth to others. Ps. xlix. 10.

If he is trimming, others are true. Thackeray.

Other is sometimes followed by but, beside, or besides; but oftener by than.

No other but such a one as he. Coleridge.

Other lords beside thee have had dominion over us. Is. xxvi. 13.

For other foundation can no man lay than that is laid. 1 Cor. iii. 11.

The whole seven years of . . . ignominy had been little other than a preparation for this very hour. Hawthorne. [ 1913 Webster ]

Other some, some others. [ Obs. or Prov. Eng. ] --
The other day, at a certain time past, not distant, but indefinite; not long ago; recently; rarely, the third day past. [ 1913 Webster ] Bind my hair up: as 't was yesterday?
No, nor t' other day. B. Jonson. [ 1913 Webster ]