Celesta is a 7 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 11 points.
You can make 225 anagrams from letters in Celesta (aceelst).
1895-1900; French célesta, for céleste, literally, heavenly (see celestial); the -a for -e makes the name pseudo-Italian
The instrument is called the celesta Mustel, and costs 1,200 francs.