The term "pectoral" refers to anything related to the chest area, particularly the muscles located there. The primary muscles in this region are the pectoralis major and pectoralis minor, which play a crucial role in movements of the arms and shoulders. These muscles are important for various physical activities, including pushing and lifting. In addition to muscles, "pectoral" can also describe items associated with the chest, such as pectoral fins in fish, which help them steer and maintain balance in water. The term is also used in anatomy and medicine to describe conditions or treatments related to the chest area.