Eagle ray Meaning, Definition & Usage

  1. noun powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays

WordNet

Definitions
  1. (Zoöl.), any large species of ray of the genus Myliobatis (esp. M. aquila).
Definitions
  1. any large ray of the family Myliobatidæ, or Ætobatidæ. The common European species (Myliobatis aquila) is called also whip ray, and miller.
  2. (Zoöl.), any large species of ray of the genus Myliobatis (esp. M. aquila).

Webster 1913