WordWeb Online

1. The part of the day between noon and evening
   "he spent a quiet afternoon in the park";
   - arvo [Austral, NZ, informal]
    
2. A conventional expression of greeting or farewell, used to wish someone a good afternoon
   - good afternoon

Derived forms: afternoons

Type of: day, daylight, daytime, farewell, greeting, salutation, word of farewell

Encyclopedia: Afternoon, a story