rǔ tū dòudictionary entry
DEFINITION CC-CEDICT
(anatomy) mastoid antrum
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-9a5a8141155f0990. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

乳突竇 乳突窦 [ru3 tu1 dou4] /(anatomy) mastoid antrum/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

Other forms in these source records: 乳突竇

  • 乳
    rǔ

    (bound form) breast / (bound form) milk / (bound form) newborn / suckling

  • 突
    tū

    to dash / to move forward quickly / to bulge / to protrude / to break through / to rush out / sudden / Taiwan pr. [tú]

  • 窦
    dòu

    (literary) hole / aperture / (anatomy) cavity / sinus

    Dòu

    surname Dou

Reference definitions from CC-CEDICT.