Ergot, ėr′got, n. a disease, consisting of a parasitical fungus, found on the seed of certain plants, esp. rye and some other grasses.—ns. Er′gotine, the active principle of ergot of rye; Er′gotism, poisoning caused by eating bread made of rye diseased with ergot; Ergotisā′tion.—v.t. Er′gotise. [Fr.]

Eric, er′ik, n. the blood-fine paid by a murderer to his victim's family in old Irish law.—Also Er′iach, Er′ick.

Erica, e-rī′ka, n. the scientific name for heath.—adj. Ericā′ceous, belonging to plants of the genus Erica. [L.,—Gr. ereikē, heath.]

Eringo. Same as Eryngo.

Erinite, er′i-nīt, n. native arseniate of copper found in Cornwall and Ireland. [Erin, old name of Ireland.]

Erinys, e-rī′nis, n. one of the Furies:—pl. Erinyes (e-rin′i-ēz).

Eriometer, er-i-om′e-ter, n. an optical instrument for measuring small diameters of fibres, &c. [Gr. erion, wool, metron, a measure.]

Eristic, -al, er-is′tik, -al, adj. of or pertaining to controversy. [Gr. erizein, to strive—eris, strife.]

Erl-king, ėrl′-king, n. for German erl-könig, a mistranslation (meaning 'alder-king') of the Danish ellerkonge (i. e. elverkonge, king of the elves).

Ermelin, ėr′me-lin, n. (arch.) ermine.