The Collaborative International Dictionary of English v.0.48:

Pancake \Pan"cake`\ (p[a^]n"k[=a]k`), n.
   A thin cake of batter fried in a pan or on a griddle; a
   griddlecake; a flapjack. "A pancake for Shrove Tuesday."
   --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pancake
    n 1: a flat cake of thin batter fried on both sides on a griddle
         [syn: pancake, battercake, flannel cake, flannel-
         cake, flapcake, flapjack, griddlecake, hotcake,
         hot cake]

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "pancake":
   alight, blintz, buckwheat cake, cheese blintz, come down, come in,
   crash-land, crepe, descend, ditch, downwind, flapcake, flapjack,
   griddlecake, hot cake, land, level off, light, overshoot,
   palacsinta, settle down, talk down, touch down, upwind, waffle