‖n. pl. [ L. natator a swimmer. ] (Zool.) The swimming birds. [ 1913 Webster ]

☞ They were formerly united into one order, which is now considered an artificial group. [ 1913 Webster ]

a. Inclined or adapted to swim; swimming; as, natatorial birds. [ 1913 Webster ]

a. (Zool.) Adapted for swimming; -- said of the legs of certain insects. [ 1913 Webster ]

‖n. [ L. ] A swimming bath. [ 1913 Webster ]

a. [ L. natatorius. ] Adapted for swimming or floating; as, natatory organs. [ 1913 Webster ]