testa test • testable · · · Info · Definitions · Synonyms · Characters · · testa · · Text Latin · · Script 5 · · Length Definitions · · · (noun) protective outer layer of seeds of flowering plants. Synonyms: episperm, seed coat. · · Noun Definition 1 Synonyms · · · episperm · · Synonym 1 seed coat · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 s latin small letter s U+0073 t latin small letter t U+0074