Worn or shabby from overuse or (of pages) from having corners turned down "a somewhat dog-eared duke...a bit run down"; "an old book with dog-eared pages" - dog-eared
Having ears (or appendages resembling ears) or having ears of a specified kind; often used in combination
See also: auriculate, auriculated, lop-eared, mouse-eared, short-eared, small-eared, worn