A mark on the ear of sheep, oxen, dogs, etc., as by cropping or slitting.
- An identifying feature or characteristic: a novel with all the earmarks of success.
- An identifying mark on the ear of a domestic animal.
- To reserve or set aside for a particular purpose. See Synonyms at allocate.
- To mark in an identifying or distinctive way.
- To mark the ear of (a domestic animal) for identification.