Assertion: tortoise's shell | /r/Synonym | the plastron
Facets:
Source sentences:
text: The top shell of a tortoise is called the carapace; the shell that covers a tortoise's belly is called the plastron.
text: Males can be distinguished by their longer tails and a notch in the under shell (plastron), below the tail.
text: The lower shell that encases the belly is called the plastron.
text: The lower shell that encases the belly is called the plastron.