undervoice

undervoice

(ˈʌndəˌvɔɪs)
n
archaic an undertone or low voice
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
"I am not very sanguine as to our play," said Miss Crawford, in an undervoice to Fanny, after some consideration; "and I can tell Mr.
This is the elaboration of melodies beyond what is notated in the neumes, most often accompanied by an improvised undervoice known as the isokraterna.
See, here it is again, says the Commission's undervoice. People differ, of course.
By the end of my reading I was sufficiently familiar with the Report's undervoice to know exactly what it wanted from me.
Yet to render audible this "undervoice that was speaking from the beginning" (Howe, "Encloser" 192) constitutes a paradox.
There is in Popravka na talismani an undervoice with a changing volume, which keeps repeating, "It's not what you think" ("Confession").
His father's voice becomes "a thousand soft undervoices .