—n. 1. a word, phrase, or sentence formed from another by rearranging its letters: “Angel” is an anagram of “glean.” 2. anagrams, (used with a sing. v.) a game in which the players build words by transposing and, often, adding letters.
—v.t. 1. to form (the letters of a text) into a secret message by rearranging them.
2. to rearrange (the letters of a text) so as to discover a secret message.