Source : Webster's Revised Unabridged Dictionary (1913)

Monoecious \Mo*n[oe]"cious\, a. (Biol.)
   Having the sexes united in one individual, as when male and
   female flowers grow upon the same individual plant;
   hermaphrodite; -- opposed to {di[oe]cious}.

Source : WordNet®

monoecious
     adj : having male and female reproductive organs in the same plant
           or animal [syn: {monecious}, {monoicous}] [ant: {dioecious}]