sound

^[1]

Introduction

In reference to:

the vibrations produced by a sounding body, transmitted by the air or other medium & perceived by the internal ear.
an elongated cylindrical curved instrument of metal:
- used for exploring the bladder or other cavities of the body
- for dilating strictures of the urethra, esophagus or other canal
- for calibrating the lumen of a body cavity
- for detecting the presence of foreign body in a body cavity