The Collaborative International Dictionary of English v.0.48:

Watering \Wa"ter*ing\,
   a. & n. from Water, v.
   [1913 Webster]

   Watering call (Mil.), a sound of trumpet or bugle summoning
      cavalry soldiers to assemble for the purpose of watering
      their horses.

   Watering cart, a sprinkling cart. See Water.

   Watering place.
   (a) A place where water may be obtained, as for a ship, for
       cattle, etc.
   (b) A place where there are springs of medicinal water, or a
       place by the sea, or by some large body of water, to
       which people resort for bathing, recreation, boating,
       etc.

   Watering pot.
   (a) A kind of bucket fitted with a rose, or perforated
       nozzle, -- used for watering flowers, paths, etc.
   (b) (Zool.) Any one of several species of marine bivalve
       shells of the genus Aspergillum, or Brechites. The
       valves are small, and consolidated with the capacious
       calcareous tube which incases the entire animal. The tube
       is closed at the anterior end by a convex disk perforated
       by numerous pores, or tubules, and resembling the rose of
       a watering pot.

   Watering trough, a trough from which cattle, horses, and
      other animals drink.
      [1913 Webster]

WordNet (r) 3.0 (2006):

watering place
    n 1: a health resort near a spring or at the seaside [syn:
         watering place, watering hole, spa]

Moby Thesaurus II by Grady Ward, 1.0:

55 Moby Thesaurus words for "watering place":
   bagnio, balneae, balneum, bar, barroom, bath, bathhouse, bathroom,
   baths, boozer, cabaret, cafe, caldarium, casino, club, clubhouse,
   cocktail lounge, discotheque, drinkery, gambling house,
   gathering place, gin mill, hangout, haunt, health resort,
   hot spring, lavatory, lounge, meeting place, mikvah,
   mineral spring, night spot, nitery, pub, public baths, pump house,
   pump room, purlieu, rallying point, resort, rest room, saloon,
   sauna, spa, springs, stamping ground, steam room, sudarium,
   sudatorium, supper club, sweat room, tavern, tepidarium, thermae,
   washroom