GNU Collaborative International Dictionary of English
Found one definition
-
Arthrospore (?), n. [Gr. > joint + E. spore.] (Bacteriol.)
1. A bacterial resting cell, -- formerly considered a spore, but now known to occur even in endosporous bacteria.
[Webster 1913 Suppl.]
2. one of the small conidia occurring arranged in chains in certain fungi. Called also oidium.
[PJC]
-- Ar`thro*spor"ic (#), Ar*thros"po*rous (#), a.
[Webster 1913 Suppl.]