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

3 June 2025

OWNER

(noun) (law) someone who owns (is legal possessor of) a business; “he is the owner of a chain of restaurants”


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