||Eu`ry*al"i*da (?), n. pl. [NL.] (Zoöl.) A tribe of Ophiuroidea, including the genera Euryale, Astrophyton, etc. They generally have the arms branched. See Astrophyton.
Eu*ryc"er*ous (?), a. [Gr. &?; broad + ke`ras horn.] (Zoöl.) Having broad horns.
Eu*ryp"ter*oid (?), a. [Eurypterus + -oid.] (Paleon.) Like, or pertaining to, the genus Euryperus.
||Eu*ryp`te*roi"de*a (?), n. pl. [NL. See Eurypteroid.] (Paleont.) An extinct order of Merostomata, of which the genus Eurypterus is the type. They are found only in Paleozoic rocks. [Written also Eurypterida.]
||Eu*ryp"te*rus (?), n. [NL., fr. Gr. &?; broad + &?; a wing.] (Paleon.) A genus of extinct Merostomata, found in Silurian rocks. Some of the species are more than three feet long.
Eu"ryth*my (?), n. [L. eurythmia, Gr. &?;; &?; well + &?; rhythm, measure, proportion, symmetry: cf. F. eurythmie.] 1. (Fine Arts) Just or harmonious proportion or movement, as in the composition of a poem, an edifice, a painting, or a statue.