chiroplast

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/ˈkaɪɹəplæst//ˈkaɪɹəplɑːst/

noun

A sliding wooden frame clamped above the keys of the piano, into which the hands and fingers of a pianist are placed. It was used for learners of the piano in the early 19th century.

OriginAncient Greek χείρ →
Scrabble 17
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Meanings

nounchiroplast (plural chiroplasts)

plural chiroplasts

  1. historicalentertainmentA sliding wooden frame clamped above the keys of the piano, into which the hands and fingers of a pianist are placed. It was used for learners of the piano in the early 19th century.

Origin

  1. Ancient Greekχείρ“hand”
  2. Englishchiroplast

From Ancient Greek χείρ (kheír, “hand”) + πλάσσω (plássō, “to shape”).

More words from Ancient Greek

Full word history & related roots →

Rhymes & wordplay

Anagrams

strophical
Cite this entry
APA

chiroplast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/chiroplast

MLA

“chiroplast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/chiroplast. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “chiroplast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/chiroplast.

Source: chiroplast on Wiktionary, CC BY-SA 4.0.