Meaning of testudinate

tes•tu•di•nate

Pronunciation: (te-std'n-it, -āt", -styd'-), [key]
— adj.
  1. formed like the carapace of a tortoise; arched; vaulted.
  2. chelonian.
—n.
  1. a turtle.
  2. any member of the order Testudines, comprising turtles, tortoises, and terrapins.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.