PYGIDIUM
Etymology
Noun
pygidium (plural pygidia or pygidiums)
(zoology) The caudal plate of trilobites, crustacea, and certain insects.
Source: Wiktionary
Py*gid"i*um, n.; pl. Pygidia. Etym: [NL., fr. Gr. (Zoöl.)
Definition: The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
22 April 2025
BRIGHT
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
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