noun

1. a word or phrase made from another by rearranging its letters (Ex.: now → won, dread → adder)
2. a game whose object is to make words by arranging letters from a common pool or by forming anagrams from other words

Etymology: Fr anagramme < Gr ana-, back + gramma, letter (see gram), modeled on Gr anagrammatizein, to write the letters of a name backwards