Caryopsis \Car`y*op"sis\, n.; pl. {Caryopses}. [NL., fr. gr. ? hut, kernel + ? sight, form.] (Bot.) A one-celled, dry, indehiscent fruit, with a thin membranous pericarp, adhering closely to the seed, so that fruit and seed are incorporated in one body, forming a single grain, as of wheat, barley, etc. [1913 Webster]