HUM

n. Hu8m. Fr., bourdonnement. Ger., Hummen. A soft, monotonous sound. Amphoric h. A sound like that made by blowing into a large empty bottle, heard in auscultation over a cavity in the lung, or over the cardiac region when the stomach is distended with gas. [o, 40.] Venous h. A h. heard on auscultation over a vein. [s. 364]