The Collaborative International Dictionary
Testudinate
Testudinate \Tes*tu"di*nate\, Testudinated \Tes*tu"di*na`ted\, a. [L. testudinatus, fr. testudo, -inis, a tortoise, an arch or vault.] Resembling a tortoise shell in appearance or structure; roofed; arched; vaulted.
Wiktionary
testudinate
a. 1 Of, like or relating to a tortoise. 2 Resembling a tortoise shell in appearance or structure; arched; vaulted.