Constance, Lake, or Bodensee, partly in Germany and partly in Switzerland; is about 44 m. long and 9 m. broad at most; is traversed by the Rhine from W. to E., is 1306 ft. above sea-level; is surrounded by vineyards, cornfields, and wooded slopes; its waters are hardly ever frozen, and often rise and fall suddenly.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Constance * Constant, Benjamin