earmark in WordNet English dictionary

1. give or assign a resource to a particular person or cause
   "I will earmark this money for your research"; "She sets aside time for meditation every day"
   allow  appropriate  earmark  set aside  reserve 
   

1. a distinctive characteristic or attribute
   hallmark  trademark  earmark  stylemark 
   
2. identification mark on the ear of a domestic animal
   earmark