Webster’s Revised Unabridged Dictionary · 1913
Ephyra
Eph′y·ra (ĕf′ĭ·rȧ), n. [NL., fr. Gr. Ἐφύρα, an old name of Corinth.] (Zoöl.) A stage in the development of discophorous medusæ, when they first begin to swim about after being detached from the strobila. See Strobila.