antrum
/ˈæn.tɹəm/noun
antrum is spelled A-N-T-R-U-M: 6 letters. It appears about once in every 26 million words in written English, the 155,937th most frequent word form (wordfreq, 2021 data). As a noun, antrum means “A bodily cavity, especially one having bony walls, especially one in the sinuses” (English Wiktionary, September 2026). The plural of antrum is antrums or antra.
How many letters and syllables are in antrum?
| Letters | 6: A-N-T-R-U-M |
|---|---|
| In writing | about once in every 26 million words; the 155,937th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is antrum?
Antrum appears about once in every 26 million words in written English, the 155,937th 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).
How do you pronounce antrum?
- /ˈæn.tɹəm/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Yangolin-antrum.wav, Wikimedia Commons (author and licence on each file's page).
Forms of antrum
- antrums plural
- antra plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does antrum mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A bodily cavity, especially one having bony walls, especially one in the sinuses.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Antrum in Spanish, French, German and Portuguese
In the sense bodily cavity:
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 antrum come from?
From Latin antrum, from Ancient Greek ἄντρον (ántron, “cave”). Doublet of antre.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).