n. (Arch.) One of the ribs in a groined arch, springing from the corners in a diagonal direction. [ See Illustr. of Groined vault. ] [ 1913 Webster ]
n. [ D., lit., cliff springer. ] (Zool.) A small, graceful South African antelope (Nanotragus oreotragus), which, like the chamois, springs from one crag to another with great agility; -- called also
n. The osprey. [ R. ] [ 1913 Webster ]
n.