Merriam-Webster Collegiate Dictionary - numeral

 I. adjective  Etymology: Middle English, from Late Latin ~is, from Latin numerus  Date: 14th century  1. of, relating to, or expressing numbers  2. consisting of numbers or ~s  • ~ly adverb  II. noun  Date: 1686  1. a conventional symbol that represents a number  2. plural numbers that designate by year a school or college class and that are awarded for distinction in an extracurricular activity