any of the bivalve molluscs of the genus Tridacna, including the giant clam
Tridacna in American English
(trɪˈdæknə)
noun
a genus of giant clams inhabiting reefs in the South Pacific, attaining a diameter of 4 ft. (1.2 m) or more, and weighing over 500 lb. (227 kg)
Word origin
[1770–80; ‹ NL, n. use of fem. of L tridacnus requiring three bites ‹ Gk trídaknos , equiv. to tri-tri- + dákn(ein) to bite + -os adj. suffix]This word is first recorded in the period 1770–80. Other words that entered Englishat around the same time include: charade, crescendo, extra, red flag, shotgun
Examples of 'tridacna' in a sentence
tridacna
Tridacna maxima was the most extensive distribution in the research location.
Ucu Yanu Arbi 2016, 'Populasi dan Sebaran Jenis Moluska Dilindungi di Perairan Selat Lembeh, Kota Bitung,Sulawesi Utara', Journal of Tropical Biodiversity and Biotechnologyhttps://journal.ugm.ac.id/jtbb/article/view/12931. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)