What is (a) One of the ocelli of an insect. See Ocellus. (b) One of the facets of a compound eye of any arthropod called?
stemma — (a) One of the ocelli of an insect. See Ocellus. (b) One of the facets of a compound eye of any arthropod. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00