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mesospore

noun meso·spore \ "+ˌ- \
variants: or less commonly mesosporium

Definition of mesospore

plural mesospores \-z\ or mesosporia \-ōrēə\
1 : the middle coat of a spore that has three coats
2 : a one-celled spore found among the compound teliospores of some rusts (as members of the genus Puccinia)

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Origin and Etymology of mesospore

mesospore from mes- + -spore; mesosporium from New Latin, from mes- + -sporium

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