y

I. noun (plural y's or ys) Usage: often capitalized, often attributive Date: before 12th century 1. a. the 25th letter of the English alphabet b. a graphic representation of this letter c. a speech counterpart of orthographic y 2. a graphic device for reproducing the letter y 3. one designated y especially as the 25th in order or class or the second in order or class when x is made the first 4. something shaped like the letter Y II. abbreviation 1. yard 2. year