Quatuor
Pronunciation : Quat"u*or
Part of Speech : n.
Etymology : [F., fr. L. quattuor, quatuor, four. See Quartet.] (Mus.)
Definition : Defn: A quartet; -- applied chiefly to instrumental compositions.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder