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Oculus


/ˈäkyələs/

Noun, pl. oculi

1. (Botany) An eye; a leaf bud. (biology-online.org)

2. A window or other opening that has an oval or circular shape (as of an eye). (wiktionary.org)

3. The organ of sight. (wordnetweb.princeton.edu)

4. The central boss of a volute. (Google Dictionary)

5. An opening at the apex of a dome. (Google Dictionary)

Word origin: From Latin oculus “eye”.


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