ˌtrākēˈalə̇s, -ˈā-, -ˈä- noun
( plural trache·ales -(ˌ)lēz)
Etymology: New Latin, literally, tracheal
: a muscle associated with the trachea and in man consisting of fibers that extend transversely between the ends of the cartilages and the intervals between them at the back of the trachea