noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈɒk.jʊ.ləs/
General-American:/ˈɑk.jə.ləs/
General-American:Recorded audio is listed in the source snapshot.
rhymes with -ɒkjʊləs
1
noun
Meaning 1
A window or other opening that has an oval or circular shape (as of an eye).
The central boss of a volute.
Definition source: English Wiktionary via Wiktextract
Topics: architecture
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A window or other opening that has an oval or circular shape (as of an eye).
An opening at the apex of a dome.
Definition source: English Wiktionary via Wiktextract
Topics: architecture
Examples
One can glimpse the sky through the oculus of the Pantheon in Rome.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
the organ of sight
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: eye, optic
Antonyms: none provided
Broader terms: sense organ, sensory receptor, receptor