frenulum

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frenulum

  • /ˈfriː.njʊl.əm/ UK
  • /ˈfrɛn.jəl.əm/ US

Where it comes from

Borrowed from New Latin frēnulum, diminutive of frēnum (“a bridle, curb, bit”).

noun frenula · frenulums · fraenulum · frænulum

  1. A small fold or ridge of tissue that supports or restrains the motion of the part to which it is attached, in particular a fold of skin beneath the tongue, or between the lip and the gum. Humans have three oral frenulums: beneath the tongue, between the upper lip and gum, and between the lower lip and gum.

    Similar: frenum

  2. specifically Such a ridge of tissue connecting the foreskin to the glans on the underside of the penis; the penile frenulum.

    Similar: frenum, fiddlestring

  3. A bristle or row of bristles on the edge of the hindwings of some lepidoptera which unites the wings by interlocking with a catch on the posterior part of the forewings.

Translations

Every language

noun small fold of tissue

Españolfrenillo
한국어소대 sodae
日本語小帯 shōtai
中文繫帶 /系带 jìdài
Portuguêsfreio, frénulo
Françaisfrein, filet
DeutschFrenulum, some of them are also called Bändchen, most of them have specific compounds
Italianofrenulo
Ελληνικάχαλινός chalinós
Русскийузде́чка uzdéčka

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Cite this
MLA

"frenulum." Wiktionary, via Micwyn, micwyn.com/word/frenulum. Accessed 6 Nov. 2026.

APA

frenulum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/frenulum

Chicago

"frenulum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/frenulum.

BibTeX
@misc{frenulum_2026,
  title = {frenulum},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/frenulum},
  urldate = {2026-11-06}
}