(ˈ)te|st(y)üd ə nəl adjective
or tes·tu·di·nar·i·ous (|)te|st(y)üd ə n|a(a)rēəs
Etymology: testudinal from Latin testudin-, testudo tortoise + English -al; testudinàrious from Latin testudin-, testudo + English -arious (as in arbitrarious )
: of, relating to, or resembling a tortoise or tortoise shell