释义 |
ple·si·o·sau·ria \ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈsȯrēə\ noun plural Usage: capitalized Etymology: New Latin, from plesi- + -sauria 1. : a suborder of Sauropterygia comprising Mesozoic marine reptiles with dorsoventrally flattened bodies and limbs modified into paddles — compare plesiosaurus 2. in some classifications : an order of Reptilia nearly coextensive with Sauropterygia • ple·si·o·sau·ri·an \| ̷ ̷ ̷ ̷ ̷ ̷|sȯrēən\ adjective or noun • ple·si·o·sau·roid \-ȯˌrȯid\ adjective |