The common phrase good-by is equivalent to farewell, and would be better written good-bye, as it is a corruption of God be with you (b'w'ye).
By (&?;), adv. 1. Near; in the neighborhood; present; as, there was no person by at the time.
2. Passing near; going past; past; beyond; as, the procession has gone by; a bird flew by.
3. Aside; as, to lay by; to put by.
By (&?;), a. Out of the common path; aside; -- used in composition, giving the meaning of something aside, secondary, or incidental, or collateral matter, a thing private or avoiding notice; as, by-line, by-place, by-play, by- street. It was formerly more freely used in composition than it is now; as, by-business, by-concernment, by-design, by- interest, etc.
By"ard (&?;), n. A piece of leather crossing the breast, used by the men who drag sledges in coal mines.
By"-bid`der (&?;), n. One who bids at an auction in behalf of the auctioneer or owner, for the purpose of running up the price of articles. [U.S.]
By"-blow` (&?;), n. 1. A side or incidental blow; an accidental blow.
With their by-blows they did split the very stones in pieces. Bunyan.
2. An illegitimate child; a bastard.
The Aga speedily . . . brought her [his disgraced slave] to court, together with her pretty by-blow, the present Padre Ottomano. Evelyn.
By"-cor`ner (&?;), n. A private corner.
Britain being a by-corner, out of the road of the world. Fuller.
By"-de*pend`ence (&?;), n. An appendage; that which depends on something else, or is distinct from the main dependence; an accessory. Shak.
By"-drink`ing, n. A drinking between meals. [Obs.]
Bye (b), n. 1. A thing not directly aimed at; something which is a secondary object of regard; an object by the way, etc.; as in on or upon the bye, i. e., in passing; indirectly; by implication. [Obs. except in the phrase by the bye.]
The Synod of Dort condemneth upon the bye even the discipline of the Church of England. Fuller.
2. (Cricket) A run made upon a missed ball; as, to steal a bye. T. Hughes.
By the bye, in passing; by way of digression; apropos to the matter in hand. [Written also by the by.]
Bye (b) n. [AS. b; cf. Icel. bygð dwelling, byggja, ba, to dwell √97.] 1. A dwelling. Gibson.
2. In certain games, a station or place of an individual player. Emerson.
By"-e*lec"tion (&?;), n. An election held by itself, not at the time of a general election.
By"-end` (&?;), n. Private end or interest; secret purpose; selfish advantage. [Written also bye- end.]
"Profit or some other by-end." L'Estrange.
By"gone` (b"gn`; 115), a. Past; gone by. "Bygone fooleries." Shak.
By"gone` (&?;), n. Something gone by or past; a past event. "Let old bygones be" Tennyson.
Let bygones be bygones, let the past be forgotten.
By"-in`ter*est (&?;), n. Self-interest; private advantage. Atterbury.
The Gutenberg Webster's Unabridged Dictionary: Section a and B · The Wunder Library — complete classics, free to read, with narration.