frenulum

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frenulum

Wikipedia

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

frenulum (plural frenula or frenulums)

(anatomy) 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.
Synonym: frenum

Humans have three oral frenulums: beneath the tongue, between the upper lip and gum, and between the lower lip and gum.
(entomology, zootomy) 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.

small fold of tissue

Catalan: fre (ca) m, tel de la llengua m
Chinese:
Mandarin: 繫帶 / 系带 (zh) (jìdài)
Czech: uzdička f
Dutch: tongriem (nl) (beneath the tongue)
Esperanto: frenulo
Finnish: frenulum (fi), kiinnityspoimu; kielijänne (tongue)
French: frein (fr) m, filet (fr) m (beneath the tongue)
Galician: freo (gl) m
German: Frenulum n, some of them are also called Bändchen (de) n, most of them have specific compounds
Greek: χαλινός (el) m (chalinós)
Icelandic: haft n
Inuktitut: ᕿᓪᓗᑕᖅ (qillotaq)
Italian: frenulo (it) m
Japanese: 小帯 (しょうたい, shōtai)
Korean: 소대(小帶) (ko) (sodae)
Polish: wędzidełko n
Portuguese: freio (pt) m, frénulo m
Russian: узде́чка (ru) f (uzdéčka)
Spanish: frenillo (es) m
Swedish: frenulum (sv) (medical), penissträng c, ollonsträng c (slang)
Walloon: filé del linwe (wa) m (beneath the tongue)
Welsh: ffrwynig (cy) f, ffrwynyn m

“frenulum”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
“frenulum”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

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