2 definitions found From WordNet (r) 2.0 [wn]: wellhead noun 1: the source of water for a well [syn: {wellspring}] 2: a structure built over a well From The Collaborative International Dictionary of English v.0.44 [gcide]: Wellhead \Well"head'\, noun A source, spring, or fountain. At the wellhead the purest streams arise. --Spenser. Our public-school and university life is a great wellhead of new and irresponsible words. --Earle.

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