sotto voce Meaning, Definition & Usage

  1. adverb in an undertone
    in a low voice.
    • he uttered a curse sotto voce

WordNet

Sot`to vo"ce
Etymology
It.
Definitions
  1. (Mus.) With a restrained voice or moderate force; in an undertone.
  2. Spoken low or in an undertone.

Webster 1913