A pocket sewn into the front of a shirt, jacket, or coat, generally at chest level, used for holding small items.

छाती की जेब

English Usage: He kept his wallet in his breast pocket for easy access.

Hindi Usage: उसने अपनी छाती की जेब में अपना बटुआ रखा ताकि उसे आसानी से मिल सके।