Definition of "dioecious" []

• Botany Having the male and female reproductive organs borne on separate individuals of the same species. (adjective)
• Botany Characterized by species in which the male and female reproductive organs occur on different individuals; sexually distinct. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The botanist explained this to his companions, by saying that these were the male plants, and the growing ones the females; for hemp is what is termed by botanists "dioecious" -- that, is, having male flowers on one plant, and female ones upon another."
• "It is moneocious, which indeed Jacquin, by whom the genus was established, concluded it to be, although first described as dioecious by Gaertner, whose account has been adopted, probably without examination, by"
• "Unionidae are dioecious, meaning they have separate sexes."