una corda

[oo-nuh kawr-duh; Italian oo-nah kawr-dah]
Compare tre corde.

Origin of una corda

1840–50; < Italian: literally, one string, since depressing the soft pedal shifts the hammers so as to strike only two (orig. one) of the strings provided for each note
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for una corda

una corda

adjective, adverb
  1. music (of the piano) to be played with the soft pedal depressed

Word Origin for una corda

Italian, literally: one string; the pedal moves the mechanism so that only one string of the three tuned to each note is struck by the hammer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012