Webster's Revised Unabridged Dictionary -- Volume DE

Eild (?), n. [See Eld.] Age. [Obs.] Fairfax.

Eire (?), n. Air. [Obs.] Chaucer.

Ei`re·narch (?), n. [See Irenarch.] (Gr. Antiq.) A justice of the peace; irenarch.

Ei·ren"ic (?), a. Pacific. See Irenic.

Ei"rie (?), n. See Aerie, and Eyrie.

Ei"sel (?), n. [OF. aisil, aissil, fr. L. acetum. Cf. Acetic.] Vinegar; verjuice. [Obs.] Sir T. More.

Eis·tedd"fod (ās·tĕth"vōd), n. [W., session, fr. eistedd to sit.] An assembly or session of the Welsh bards; an annual congress of bards, minstrels and literati of Wales, -- being a patriotic revival of the old custom.

Ei"ther (ē"thr or ī"thr; 277), a. & pron. [OE. either, aither, AS. gšer, ghwęšer (akin to OHG. ēogiwedar, MHG. iegeweder); ā + ge + hwęšer whether. See Each, and Whether, and cf. Or, conj.]

1. One of two; the one or the other; -- properly used of two things, but sometimes of a larger number, for any one.

Lepidus flatters both,
Of both is flattered; but he neither loves,
Nor either cares for him.
Shak.

Scarce a palm of ground could be gotten by either of the three.
Bacon.

There have been three talkers in Great British, either of whom would illustrate what I say about dogmatists.
Holmes.

2. Each of two; the one and the other; both; -- formerly, also, each of any number.