esophageal speech

noun Speech Pathology.
  1. a technique for producing speech sounds without using the larynx, for people whose larynges are lacking or disabled, by expelling swallowed air that is modified by the tongue, lips, and palate as in normal speech.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

esophageal speech in Medicine

esophageal speech

n.
  1. A technique for speaking after total laryngectomy involving the swallowing of air and its subsequent expulsion to produce a vibration in the hypopharynx.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.