‖n. [ L., equiv. to Gr. &unr_;. See Halcyon. ] (Zool.) A genus of perching birds, including the European kingfisher (Alcedo ispida). See Halcyon. [ 1913 Webster ]
n. [ See Chalcedony. ] A foul vein, like chalcedony, in some precious stones. [ 1913 Webster ]
a. Of or pertaining to chalcedony. [ 1913 Webster ]
n.;
☞ When chalcedony is variegated with with spots or figures, or arranged in differently colored layers, it is called