Found 2 items, similar to Testa.
English → English (WordNet) Definition: testa testa n : protective outer layer of seeds of flowering plants [syn: episperm, seed coat] [also: testae (pl)]
English → English (gcide) Definition: Testa Test \Test\, Testa \Tes"ta\, n.; pl. E. Tests, L. Test[ae]. [L. testa a piece of burned clay, a broken piece of earthenware, a shell. See Test a cupel.] 1. (Zo["o]l.) The external hard or firm covering of many invertebrate animals. [1913 Webster] Note: The test of crustaceans and insects is composed largely of chitin; in mollusks it is composed chiefly of calcium carbonate, and is called the shell. [1913 Webster] 2. (Bot.) The outer integument of a seed; the episperm, or spermoderm. [1913 Webster]