The New York Stock Exchange started out as a coffee house.
ommatidium
(noun) any of the numerous small cone-shaped eyes that make up the compound eyes of some arthropods
Source: WordNet® 3.1
ommatidia
plural of ommatidium
Source: Wiktionary
Om`ma*tid"i*um, n.; pl. Ommatidia. Etym: [NL., dim. of Gr. (Zoöl.)
Definition: One of the single eyes forming the compound eyes of crustaceans, insects, and other invertebrates.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
The New York Stock Exchange started out as a coffee house.