testudinate

US: (te sto̅o̅d′n it, -āt′, -styo̅o̅d′-)

WordReference Random House Unabridged Dictionary of American English © 2025

tes•tu•di•nate  (te sto̅o̅d′n it, -āt′, -styo̅o̅d′-), adj. 

1. formed like the carapace of a tortoise;
   arched;
   vaulted.
2. Reptiles chelonian.

n. 

3. Reptiles a turtle.
4. Reptiles any member of the order Testudines, comprising turtles, tortoises, and terrapins.

• Latin testūdinātus. See testudinal, -ate¹
• 1720–30