WordWeb Online

1. The act of using
   "he warned against the usage of narcotic drugs";
   - use, utilization, utilisation [Brit], employment, exercise
    
2. Accepted or habitual practice
   - custom, usance [archaic]
    
3. The customary manner in which a language (or a form of a language) is spoken or written
   "English usage"; "a usage borrowed from French"
    
4. The amount or manner in which something is used or consumed
   - consumption, expenditure

Derived forms: usages

Type of: activity, language, linguistic communication, pattern, practice, survival

Encyclopedia: Usage