Definition of eye ring in US English:

eye ring

noun

  • 1Chiefly Ornithology. A distinctively coloured ring surrounding the eye of an animal, especially a bird.

  • 2A pin, bar, bolt, etc., with a ring or eye at one end.

  • 3Optics. A circular space within which the eye of the user of an optical instrument must be placed in order to obtain the full field of view.

Origin

Old English (in an earlier sense). From eye + ring.

Pronunciation

eye ring

/ˈʌɪ rɪŋ/