Synonyms: wellhead
Definition: a structure built over a well
Similar words: structure, construction
Definition: a thing constructed; a complex entity constructed of many parts
Usage: the structure consisted of a series of arches; she wore her hair in an amazing construction of whirls and ribbons
Synonyms: wellhead, wellspring
Definition: the source of water for a well
Similar words: root, rootage, source, beginning, origin
Definition: the place where something begins, where it springs into being
Usage: the Italian beginning of the Renaissance; Jupiter was the origin of the radiation; Pittsburgh is the source of the Ohio River; communism's Russian root