[1] : The Collaborative International Dictionary of English v.0.48

saucer \sau"cer\, n. f. sauci`ere, from sauce. see sauce.
   1. a small pan or vessel in which sauce was set on a table.
      obs. --bacon.
      1913 webster

   2. a small dish, commonly deeper than a plate, in which a cup
      is set at table.
      1913 webster

   3. something resembling a saucer in shape. specifically:
      a a flat, shallow caisson for raising sunken ships.
      b a shallow socket for the pivot of a capstan.
          1913 webster
          1913 webster
see also:
sauce 

[2] : WordNet (r) 2.0

saucer
     n 1: something with a round shape like a flat circular plate
          syn: disk, disc
     2: a small shallow dish for holding a cup at the table
     3: directional antenna consisting of a parabolic reflector for
        microwave or radio frequency radiation syn: dish, dish
        aerial, dish antenna
     4: a disk used in throwing competitions syn: discus
see also:
disk disc dish dish aerial dish antenna discus 

[3] : Moby Thesaurus II by Grady Ward, 1.0

39 moby thesaurus words for "saucer":
   o, annular muscle, annulus, areola, aureole, chaplet, circle,
   circuit, circumference, circus, closed circle, corona, coronet,
   crown, cycle, diadem, discus, disk, eternal return, fairy ring,
   garland, glory, halo, lasso, logical circle, loop, looplet,
   magic circle, noose, orbit, radius, ring, rondelle, round, roundel,
   sphincter, vicious circle, wheel, wreath

Saucer >> S Words
Saucer, definition of term: Saucer
saucer_pag1.html

Saucer Magnolia >> S Words
Saucer Magnolia, definition of term: Saucer Magnolia
saucer+magnolia_pag1.html

Flying Saucer >> F Words
Flying Saucer, definition of term: Flying Saucer
flying+saucer_pag1.html

Cup And Saucer >> C Words
Cup And Saucer, definition of term: Cup And Saucer
cup+and+saucer_pag1.html