glochidium

noun

glo·chid·i·um glō-ˈki-dē-əm How to pronounce glochidium (audio)

plural glochidia glō-ˈki-dē-ə How to pronounce glochidium (audio)

: the larva of a freshwater mussel (family Unionidae) that develops as an external parasite on fish

Word History

Etymology

borrowed from New Latin, from Greek glōchid-, glōchī́s "projecting point (as the end of a yoke fastening or the barb of an arrow)" + New Latin -idium -idium; so named from the hook-like appendages with which the larvae attach themselves to fish — more at gloss entry 3

Note: Term introduced by the Norwegian zoologist Jens Rathke (1769-1855) in "Om Dam-Muslingen," Skrivter af Naturhistorie-Selskabet [Copenhagen], 4. Bind, 1. Hefte (1797), p. 166. As a vernacular equivalent of glochidium Rathke gives Krogskjæl, "hook shell."

First Known Use

1875, in the meaning defined above

单词	glochidium
释义	glochidium noun glo·chid·i·um glō-ˈki-dē-əm plural glochidia glō-ˈki-dē-ə : the larva of a freshwater mussel (family Unionidae) that develops as an external parasite on fish Word History Etymology borrowed from New Latin, from Greek glōchid-, glōchī́s "projecting point (as the end of a yoke fastening or the barb of an arrow)" + New Latin -idium -idium; so named from the hook-like appendages with which the larvae attach themselves to fish — more at gloss entry 3 Note: Term introduced by the Norwegian zoologist Jens Rathke (1769-1855) in "Om Dam-Muslingen," Skrivter af Naturhistorie-Selskabet [Copenhagen], 4. Bind, 1. Hefte (1797), p. 166. As a vernacular equivalent of glochidium Rathke gives Krogskjæl, "hook shell." First Known Use 1875, in the meaning defined above
随便看	cuspidations cuspides cuspidine cuspidor cuspidors cuspids cusping cusps cuspule cuss cuss (out) cuss out cussed cussed (out) cussed out cussedlier cussedliest cussedly cussedness cussednesses cusser cussers cusses cusses (out) cusses out