PLOWHEAD Meaning of PLOWHEAD in English nounor ploughhead ˈ ̷ ̷ˌ ̷ ̷Etymology: Middle English ploghe hede, from ploghe, plow, plough plow + hede, heved, hed head: the clevis of a plow Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012