Tridacnan.

/trʌɪˈdaknə/

/trɪˈdaknə/

Etymology: modern Latin (Da Costa 1776), < Greek τρίδακνος eaten at three bites, < τρι- tri- comb. form + δάκνειν to bite.

Zoology.

A genus of bivalve molluscs, including the Tridacna gigas or Giant Clam, the largest bivalve shell known. Also attributive.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Siphonida > integro-pallialia > family Tridacnidae

Tridacna1776

clamp-shell1835

taclobo1885

1776 E. M. da Costa Elements Conchol. 294 A Tridacna, the Bason Conch or Clamp.

1860 F. C. L. Wraxall Life in Sea xiv. 299 The giant Tridacna, which is five feet broad, forms entire submarine banks.

1904 Athenæum 24 Sept. 419/1 In graves at Rubiana were found rings of tridacna shell and other objects of the same material carved in a fretwork design.

Derivatives

† tridacnan adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1623 H. Cockeram Eng. Dict. Tridacnan, any thing that is so big that must be cut in three pieces, or morsels, ere it can be eat.

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021).

单词	tridacna
释义	Tridacnan. /trʌɪˈdaknə//trɪˈdaknə/ Etymology: modern Latin (Da Costa 1776), < Greek τρίδακνος eaten at three bites, < τρι- tri- comb. form + δάκνειν to bite. Zoology. A genus of bivalve molluscs, including the Tridacna gigas or Giant Clam, the largest bivalve shell known. Also attributive. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > section Siphonida > integro-pallialia > family Tridacnidae Tridacna1776 clamp-shell1835 taclobo1885 1776 E. M. da Costa Elements Conchol. 294 A Tridacna, the Bason Conch or Clamp. 1860 F. C. L. Wraxall Life in Sea xiv. 299 The giant Tridacna, which is five feet broad, forms entire submarine banks. 1904 Athenæum 24 Sept. 419/1 In graves at Rubiana were found rings of tridacna shell and other objects of the same material carved in a fretwork design. Derivatives † tridacnan adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1623 H. Cockeram Eng. Dict. Tridacnan, any thing that is so big that must be cut in three pieces, or morsels, ere it can be eat. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021). < n.1623
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