1. An identifying feature or characteristic: a novel with all the earmarks of success.2. An identifying mark on the ear of a domestic animal.
TRANSITIVE VERB:
Inflected forms: ear·marked, ear·mark·ing, ear·marks 1. To reserve or set aside for a particular purpose. See synonyms at allocate. 2. To mark in an identifying or distinctive way. 3. To mark the ear of (a domestic animal) for identification.