Meaning

noun cup-shaped structure of hardened bracts at the base of an acorn

noun a sucker on the feet of certain flies

originEtymology tree English cup Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Indo-European *-tlom, *-dʰlom Latin -ulader. Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulusder. ▲ Latin -ulader. ▲ Proto-Indo-European *-tlomder. Latin -ulumder. French -uleder. English -ule English cupule From cup + -ule.

Etymology from Wiktionary, CC BY-SA 3.0