Definition of allospecies in US English:

allospecies

noun

  • 1Botany. A species of plant which reproduces by cross-fertilization; an allogamous species. rare (now disused).

  • 2Chiefly Zoology. Each of two or more biological subspecies (or species) that together constitute a superspecies.

Origin

1940s. From allo- + species.

Pronunciation

allospecies

/ˈaləˌspiːʃɪz/