Oospore

[әuәspɔ:]

(noun.) a thick-walled sexual spore that develops from a fertilized oosphere in some algae and fungi.

Inputed by Camille--From WordNet

(n.) A special kind of spore resulting from the fertilization of an oosphere by antherozoids.

(n.) A fertilized oosphere in the ovule of a flowering plant.

Inputed by Julio