ECHINOIDEA

Echinoidea, class Echinoidea

(noun) sea urchins and sand dollars

Source: WordNet® 3.1


Ech`i*noi"de*a, n. pl. Etym: [NL. See Echinus, and -oid.] (Zoöl.)

Definition: The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid. [Written also Echinidea, and Echinoida.]

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 June 2025

DISPIRITEDLY

(adverb) in a dispirited manner without hope; “the first Mozartian opera to be subjected to this curious treatment ran dispiritedly for five performances”


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Coffee Trivia

The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.

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