WordWeb Online

1. Marked by a large or well-developed chest
   "he was chesty, big-shouldered and heavy-armed";
   - big-chested
    
2. Having or showing feelings of unwarranted importance out of overbearing pride
   "chesty as a peacock";
   - arrogant, self-important
    
3. With the sound of having a chest infection

Derived forms: chestiest, chestier

See also: proud, robust

Encyclopedia: Chesty