What is "fremitus"

Fremitus \Frem"i*tus\, n., sing. & pl. [L., a murmuring, roaring.] (Med.) Palpable vibration or thrill; as, the rhonchial fremitus.

n. A vibration which is perceptible on palpation or auscultation.

Fremitus is a vibration transmitted through the body. In common medical usage, it usually refers to assessment of the lungs by either the vibration intensity felt on the chest wall (tactile fremitus) and/or heard by a stethoscope on the chest wall with certain spoken words (vocal fremitus), although there are several other types.