| 释义 |
[ oh-per-kuhl ] / ˈoʊ pər kəl /
nounan operculum, especially the posterior bone of the operculum of a fish. Origin of opercleFirst recorded in 1590–1600, opercle is from the Latin word operculum cover. See operculum, -cle2 Words nearby opercleoperatize, operator, operator gene, operatory, opera window, opercle, operculate, operculitis, operculum, opere citato, operetta Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for opercleOn our sunfish we see that the opercle ends behind in a long and narrow flap, which looks like an ear. A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan Overlying these is the system of membrane bones already mentioned, including the opercle or gill-cover. Elementary Zoology, Second Edition|Vernon L. Kellogg In most of the higher fishes a small accessory gill (pseudobranchia) is developed in the skin of the inner side of the opercle. A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan The largest uppermost flat bone of the gill-covers is known as the opercle . A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
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