Retineum

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Part of the eye of an invertebrate which corresponds in function with the retina of a vertebrate, hypothetical membrane resembling the retina. archaic

Etymology

From New Latin retineum, from Medieval Latin retina. By surface analysis, retin(a) + -eum.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.