n. [ Pref. di- + genesis. ] (Biol.) The faculty of multiplying in two ways; -- by ova fecundated by spermatic fluid, and asexually, as by buds. See Parthenogenesis. [ 1913 Webster ]

n. A Greek Cynic philosopher (412?-323 B. C.) who lived much in Athens and was distinguished for contempt of the common aims and conditions of life, and for sharp, caustic sayings. [ 1913 Webster ]

Diogenes' crab (Zool.), a species of terrestrial hermit crabs (Cenobita Diogenes), abundant in the West Indies and often destructive to crops. --
Diogenes' tub, the tub which the philosopher Diogenes is said to have carried about with him as his house, in which he lived. [ 1913 Webster ]