ilium
/ˈɪlɪəm/noun
ilium is spelled I-L-I-U-M: 5 letters. It appears about once in every 6 million words in written English, the 72,332nd most frequent word form (wordfreq, 2021 data). As a noun, ilium means “The upper and widest of the three bones that make up each side of the hipbone” (English Wiktionary, September 2026). The plural of ilium is ilia.
How many letters and syllables are in ilium?
| Letters | 5: I-L-I-U-M |
|---|---|
| In writing | about once in every 6 million words; the 72,332nd 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 ilium?
Ilium appears about once in every 6 million words in written English, the 72,332nd 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 ilium?
- UK /ˈɪlɪəm/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-ilium.wav, Wikimedia Commons (author and licence on each file's page).
Forms of ilium
- ilia plural
- ilion
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ilium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The upper and widest of the three bones that make up each side of the hipbone.
Holonyms: hip bone, os coxae < pelvis
- 2
obsoleteThe ileum, part of the small intestine (in modern usage, misspelling of ileum).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ilium in Spanish, French, German and Portuguese
In the sense bone:
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 ilium come from?
Borrowed from Latin īlium (“lower abdomen”), from īle (“flank”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).