Which of the following terms refers to the mouth?

The term "oral" accurately refers to the mouth, deriving from the Latin word "oris," which means "mouth." In anatomical terminology, it designates anything pertaining to the oral cavity, including structures and functions associated with eating, speaking, and various other processes that occur in this area. This is a fundamental term in anatomy, making it crucial for understanding the human body's organization and functions.

The other terms provided refer to different body regions: "pedal" relates to the feet, "pectoral" pertains to the chest or breast area, and "pelvic" refers to the lower part of the abdomen, enclosing the pelvic cavity. These distinct meanings differentiate them clearly from the term associated with the mouth.