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labium

/ˈleɪ.bi.əm/noun

labium is a noun meaning “A liplike structure; especially one of the vulva's two pairs of folds of skin on either side” (English Wiktionary, September 2026). It is spelled L-A-B-I-U-M, and it appears about once in every 28 million words in written English (wordfreq, 2021 data). The plural of labium is labia.

What does labium mean?

noun

  1. 1

    A liplike structure; especially one of the vulva's two pairs of folds of skin on either side.

  2. 2

    The lip of a labiate corolla.

  3. 3

    A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line.

  4. 4

    A liplike part of various invertebrates.

  5. 5

    The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce labium?

  • /ˈleɪ.bi.əm/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-labium.wav, Wikimedia Commons (author and licence on each file's page).

Forms of labium

  • labia plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is labium?

Labium appears about once in every 28 million words in written English, the 161,690th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Labium in Spanish, French, German and Portuguese

In the sense liplike structure:

LanguageWords
Frenchlèvre, lèvre de la vulve
GermanSchamlippe
Spanishlabio, labio de la vulva

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does labium come from?

Learned borrowing from Latin labium (“a lip”). Doublet of lip.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).