| 释义 |
‖ Tridacna Zool.|traɪ-, trɪˈdæknə|
[mod.L. (Da Costa 1776), f. Gr. τρίδακν-ος eaten at three bites, f. τρι- tri- + δάκν-ειν to bite.]
A genus of bivalve molluscs, including the Tridacna gigas or Giant Clam, the largest bivalve shell known. Also attrib.
1776Da Costa Conchol. 294 A Tridacna, the Bason Conch or Clamp. 1860Wraxall Life in Sea xiv. 299 The giant Tridacna, which is five feet broad, forms entire submarine banks. 1904Athenæum 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.
So † tridacnan a. Obs. rare—0.
1623Cockeram, Tridacnan, any thing that is so big that must be cut in three pieces, or morsels, ere it can be eat. |