frenulum Hear it!

frenulum definition

frenu·lum (frenyo̵̅o̅ ləm, -yə-)

noun pl. frenulums -·lums or frenula -·la (-lə)

  1. a small frenum
  2. Zool. a stiff bristle or group of bristles extending from the hind wing of some moths and interlocking with a structure on the front wing, linking the wings together in flight

Etymology: ModL, dim. of frenum: see frenum

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