a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips.
noun, Music. 1. the low register of the human voice.
[chest-thuhm-ping] /ˈtʃɛstˌθʌm pɪŋ/ noun 1. the act or practice of boasting.
- Chest wall
chest wall n. The system of structures outside the lungs that move as a part of breathing, including the rib cage, diaphragm, and abdomen. Also called thoracic wall.
- Chest voice
noun 1. a voice of the lowest speaking or singing register Compare head voice