Carapace means a hard and protective outer shell or covering. It is often used to refer to the shell of turtles, crabs, or other animals that provides them with protection and support. Full definition
But an international team of scientists now finds that water flows over the bony carapaces of these fishes much as air does over the space shuttle, creating vortices of water that help guide the fish while swimming in unpredictable waters. (sciencemag.org)
Hatchlings have a dark - brown carapace with flippers pale brown on margins. (xcalak.info)
A turtle carapace from the Hell Creek formation was selected for spectroscopy because of its proportionally large chambers in the trabecular bone that allowed scraping the coatings loose. (journals.plos.org)