WordReference Random House Unabridged Dictionary of American English © 2026
ce•no•spe•cies
(sē′nə spē′shēz, -sēz, sen′ə-),USA pronunciation n., pl. -cies. [Genetics.]
- Geneticsa group of different species the individuals of which produce partially fertile hybrids when crossbred.
- ceno-2 + species 1920–25