1. The trachea or windpipe. [Obs.] "Under the artery, or windpipe, is the mouth of the stomach." Holland. 2. (Anat.) One of the vessels or tubes which carry either venous or arterial blood from the heart. They have tricker and more muscular walls than veins, and are connected with them by capillaries. Note: In man and other mammals, the arteries which contain arterialized blood receive it from th...