(Zool.) Any one of numerous species of pigeons belonging to Turtur and allied genera, native of various parts of the Old World; especially, the common European species (Turtur vulgaris), which is noted for its plaintive note, affectionate disposition, and devotion to its mate. Note: The South African turtledove (Turtur albiventris), and the ashy turtledove of India (Turtur rubicolus), are similar to the European species in their habits.