The source of water for a well.

synonym: wellhead.

An abundant source.

synonyms: fountainhead, well.

Roget 636: stock, fund, mine, vein, lode, quarry; spring; fount, fountain; well, wellspring; milch cow.    stock in trade, supply; heap etc. (collection) 72; treasure; reserve, corps de reserve, reserved fund, nest egg, savings, bonne bouche [Fr.].    crop, harvest, mow, vintage.    store, accumulation, hoard, rick, stack; lumber; relay etc. (provision) 637.    storehouse, storeroom, storecloset^†; depository, depot, cache, repository, reservatory^†, repertory; repertorium^†; promptuary^†, warehouse, entrepot [Fr.], magazine; buttery, larder, spence^†; garner, granary; cannery, safe-deposit vault, stillroom^†; thesaurus; bank etc. (treasury) 802; armory; arsenal; dock; gallery, museum, conservatory; menagery^†, menagerie.    reservoir, cistern, aljibar^†, tank, pond, mill pond; gasometer^†.    budget, quiver, bandolier, portfolio; coffer etc. (receptacle) 191.    conservation; storing etc. v.; storage.    ... show more