LEPTOCARDIA

Lep`to*car"di*a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Definition: The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus. [Written also Leptocardii.]

Source: Webster’s Unabridged Dictionary 1913 Edition

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Word of the Day

10 March 2025

FABLED

(adjective) celebrated in fable or legend; “the fabled Paul Bunyan and his blue ox”; “legendary exploits of Jesse James”

Coffee Trivia

The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.