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TRIDACNA
Tridacna, genus Tridacna
(noun) type genus of the family Tridacnidae: giant clams
Source: WordNet® 3.1
Etymology
From the genus name.
Noun
tridacna (plural tridacnas)
Any member of the genus Tridacna of large saltwater clams with heavy fluted shells.
Anagrams
• antacrid, cardiant, radicant
Source: Wiktionary
Tri*dac"na, n. Etym: [L., pl., a kind of oysters, fr. Gr. (Zoöl.)
Definition: A genus of very large marine bivalve shells found on the coral reefs of the Indian and Pacific Oceans. One species (T. gigas) often weighs four or five hundred pounds, and is sometimes used for baptismal fonts. Called also paw shell, and fountain shell.
Source: Webster’s Unabridged Dictionary 1913 Edition
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SQUARE
(adjective) having four equal sides and four right angles or forming a right angle; “a square peg in a round hole”; “a square corner”
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