| testacea | (n) testacean rhizopods, Syn. order Testacea |
| testacean | (n) any of various rhizopods of the order Testacea characterized by having a shell |
| Testacea | ‖n. pl. [ NL., fr. L. testaceum a shelled anumal. See Testaceous. ] (Zool.) Invertebrate animals covered with shells, especially mollusks; shellfish. [ 1913 Webster ] |
| Testacean | n. (Zool.) Onr of the Testacea. [ 1913 Webster ] |