WordReference Random House Unabridged Dictionary of American English © 2025
ap•pres•so•ri•um
(ap′re sôr′ē əm, -sōr′-),USA pronunciation n., pl. -so•ri•a (-sôr′ē ə, -sōr′-).USA pronunciation [Mycol.]
- Fungia flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
- Neo-Latin, equivalent. to Latin appress(us) (see appressed) + -ōrium -orium
- 1895–1900