Webster's Revised Unabridged Dictionary -- Volume DE

What becomes . . . of the Herakleid genealogy of the Spartan kings, when it is admitted that eponymous persons are to be canceled as fictions?
Grote.

E·pon"y·my (?), n. [Gr. ? a surname given after some person or thing.] The derivation of the name of a race, tribe, etc., from that of a fabulous hero, progenitor, etc.

Ep`o·öph"o·ron (?), n. [NL., from Gr. επι upon + ? egg + φερειν to bear.] (Anat.) See Parovarium.

Ep"o·pee` (?), Ep`o·pœ"ia (?), n. [F. épopée, Gr. ?; εποσ song + ? to make. See Epos.] An epic poem; epic poetry.

Ep"opt (?), n. [Gr. ? one initiated into the Eleusinian mysteries.] One instructed in the mysteries of a secret system. Carlyle.

Ep"os (?), n. [L., fr. Gr. ?.] An epic.

Ep`o·ta"tion (?), n. [L. epotare, epotatum, to drink; e out + potare to drink.] A drinking up; a quaffing. [Obs.] Feltham.

É`prou`vette" (?), n. [F.] (Gun.) An apparatus for testing or proving the strength of gunpowder.

Ep"som·ite (?), n. Native sulphate of magnesia or Epsom salt.

Ep"som salts` or salt` (?). (Med.) Sulphate of magnesia having cathartic qualities; -- originally prepared by boiling down the mineral waters at Epsom, England, -- whence the name; afterwards prepared from sea water; but now from certain minerals, as from siliceous hydrate of magnesia.

Ep"u·la·ry (?), a. [L. epularis, fr. epulum a feast: cf. F. épulaire.] Of or pertaining to a feast or banquet. [Obs.] Smart.

Ep`u·la"tion (?), n. [L. epulatio.] A feasting or feast; banquet. [Obs.] Sir T. Browne.

E·pu"lis (?), n. [NL., fr. Gr. ? a gumboil; Gr. επι upon + ? gums.] (Med.) A hard tumor developed from the gums.