acotyledon noun.
[ǝkɒtɪ'li:d(ǝ)n] Now
rare or
obsolete.
M18.[from mod. Latin pl. acotyledones: see A-10, COTYLEDON.]Botany. A plant forming no distinct cotyledons, such as a fern, moss, etc.
■ acotyledonous adjective E19. [TahlilGaran] English Dictionary ▲