Pectoral (adjective)

Relating to or located in the chest or breast region.

Origin:

The word 'pectoral' is derived from the latin word 'pectus', meaning 'breast, chest'. it was first used in the 16th century to describe anything related to the chest or breast.

Examples:

1. The pectoral muscles are responsible for moving the arm and shoulder.
2. The pectoral girdle is a bony structure that supports the arms and allows movement.
3. The pectoral fins are used for steering and balance in fish.
4. The pectoral nerve supplies sensation and motor control to the chest and arm.
5. The pectoral region is a common site for the placement of electrodes in electrocardiograms.