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• piano
  piano

  noun

  a musical instrument in which felt-covered hammers, operated from a keyboard, strike the metal strings.
• Piano
  Piano

  noun

  Renzo. born 1937, Italian architect; buildings include the Pompidou Centre, Paris (1977; with Richard Rogers), the Potsdamer Platz redevelopment, Berlin (1998), and The Shard, London (2012)

piano

¹ American  

[pee-an-oh, pyan-oh] / piˈæn oʊ, ˈpyæn oʊ /

noun

pianos plural

1. a musical instrument in which felt-covered hammers, operated from a keyboard, strike the metal strings.

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piano ² American  

[pee-ah-noh, pyah-naw] / piˈɑ noʊ, ˈpyɑ nɔ /

adjective

1. soft; subdued.

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adverb

1. softly. p, p.

Piano ¹ British  

/ pjˈɑno /

noun

1. Renzo. born 1937, Italian architect; buildings include the Pompidou Centre, Paris (1977; with Richard Rogers), the Potsdamer Platz redevelopment, Berlin (1998), and The Shard, London (2012)

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piano ² British  

/ pɪˈænəʊ /

noun

1. a musical stringed instrument resembling a harp set in a vertical or horizontal frame, played by depressing keys that cause hammers to strike the strings and produce audible vibrations See also grand piano upright piano

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piano ³ British  

/ ˈpjɑːnəʊ /

adjective

1.  p.  music (to be performed) softly

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piano Cultural  

1. A musical direction meaning “to be performed softly”; the opposite of forte. As the name of a musical instrument, it is short for pianoforte.

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Etymology

Origin of piano¹

First recorded in 1795–1805; short for pianoforte

Origin of piano²

1675–85; < Italian: soft, low (of sounds), plain, flat < Latin plānus plain ¹

Explanation

A piano is a large musical instrument that you play by pressing black and white keys on a keyboard. Most people play a piano with their fingers, but Jerry Lee Lewis played with his fingers, feet, elbows, and, ahem, backside. A piano makes a sound when each key moves a small hammer that strikes a metal string. The inside of a piano looks kind of like a harp. Pianos are vital in many kinds of music, from classical to pop, and in the case of Lewis, boogie-woogie. Piano comes from the original Italian name for the instrument: piano e forte, "soft and loud." Piano is also the musical notation that tells the player that something should be played quietly.

Example Sentences

An explosive, splashy cymbal crash launches the LP’s closer, “Don’t Take Away the Music,” followed by piano and strings.

From The Wall Street Journal • May 25, 2026

The very last episode of “The Colbert Report,” which aired in December 2014, closed with the host launching into a rendition of “We’ll Meet Again,” accompanied by Randy Newman playing a grand piano.

From Salon • May 21, 2026

There’s even an excited and upbeat track explicitly about the day-to-day life and camaraderie of the group, “Ballad of the Texas Gentlemen,” with Mr. Creamer on notable honky-tonk piano.

From The Wall Street Journal • May 20, 2026

Then I didn’t start playing guitar or piano until late teens.

From Los Angeles Times • May 18, 2026

I dialed the number Russell had given me and left a message for Irene that I’d be missing our piano lesson that afternoon.

From "The Red Car to Hollywood" by Jennie Liu

Related Words

• grand piano
• instrument
• keyboard