a. [f. L. agam-us a. Gr. ἄγαμ-ος unmarried (f. ἀ priv. + γάμος marriage) + -OUS.] lit. Unmarried: hence Biol. Having no (distinguishable) sexual organs; asexual. In Bot. cryptogamous is now more commonly used.
1847. in Craig.
1858. Gray, Bot. Text-bk., 395. Agamous, destitute of sexes.
1876. Beneden, Anim. Paras., 196. The agamous age undergoes a true moulting, the sexual age a metamorphosis.