Of or pertaining to a testament; testamentary.

plural of testacean

Covered with or having a shell.

(zoology) One of the rhizopods in Testacea.

Obsolete form of testator.

The science of testaceous mollusks; conchology.

(law) A person appointed by a testator to assume legal guardianship of a minor following the death of a parent or other legal guardian.

plural of testate

(medicine) A testis that is descending to a wrong position after born, or not descending at all (cryptorchidism).

(zoology) Any slug in the family Testacellidae.