noun
: a virus disease of celery and certain other plants (as delphinium) characterized by conspicuous green and yellow, orange, or amber mottling usually on the older leaves
noun
: a virus disease of celery and certain other plants (as delphinium) characterized by conspicuous green and yellow, orange, or amber mottling usually on the older leaves
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012