noun
1. : an internal arborescent usually paired tubular appendage of the cloaca of some holothurians that is considered to be an organ of respiration
2. : the trachea, bronchi, and bronchioles
noun
1. : an internal arborescent usually paired tubular appendage of the cloaca of some holothurians that is considered to be an organ of respiration
2. : the trachea, bronchi, and bronchioles
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012