noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The more liquid or volatile portion of certain oily substances, such as rose oil. obsolete, uncountable, usually

Etymology

From Ancient Greek ἔλαιον (élaion, “olive oil”) + πτερόν (pterón, “wing”).

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