Speaking trumpet Meaning, Definition & Usage

  1. noun a trumpet-shaped acoustic device to intensify and direct the human voice; formerly held to the ear by a hard-of-hearing person

WordNet


Definitions
  1. an instrument somewhat resembling a trumpet, by which the sound of the human voice may be so intensified as to be conveyed to a great distance.
Definitions
  1. an instrument for conveying articulate sounds with increased force.

Webster 1913