The Collaborative International Dictionary of English v.0.48:

Gruyere cheese \Gru"y[`e]re` cheese"\
   A kind of cheese made at Gruy[`e]re, Switzerland. It is a
   firm cheese containing numerous cells, and is known in the
   United States as Schweitzerk[aum]se.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Schweitzerkaumse \Schweit"zer*k[aum]"se\, n. [G.
   schweizerk[aum]se Swiss cheese.]
   Gruy[`e]re cheese.
   [1913 Webster] Schwenkfelder