Reddish brown; of the color of a chestnut; -- applied to the color of horses. Bay cat (Zoöl.), a wild cat of Africa and the East Indies (Felis aurata). -- Bay lynx (Zoöl.), the common American lynx (Felis, or Lynx, rufa).
1. (Geol.) An inlet of the sea, usually smaller than a gulf, but of the same general character. Note: The name is not used with much precision...