noun
: a disease of the apple tree caused by an ascomycetous fungus ( Nummularia discreta ) producing roughened and blackened cankers on the trunk and larger limbs — called also apple pox
noun
: a disease of the apple tree caused by an ascomycetous fungus ( Nummularia discreta ) producing roughened and blackened cankers on the trunk and larger limbs — called also apple pox
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012