SPECULA
a metal instrument that is used to dilate an orifice or canal in the body to allow inspection.
a bright patch of plumage on the wings of certain birds, especially a strip of metallic sheen on the secondary flight feathers of many ducks.
a mirror or reflector of glass or metal, especially (formerly) a metallic mirror in a reflecting telescope.
a bright patch of plumage on the wings of certain birds, especially a strip of metallic sheen on the secondary flight feathers of many ducks.
a mirror or reflector of glass or metal, especially (formerly) a metallic mirror in a reflecting telescope.