Ad'ams, MASS., a town in Berkshire co., 16 mi. n. of Pittsfield, on the Hoosac River and the Boston & Albany railroad. It has a public library and contains manufactures of cotton and woolen goods, foundry products and other articles. Greylock Mountain, which has an elevation of 3535 feet and is the highest point in Massachusetts, lies within the limits of the town. It was laid out in 1749 as East Hoosuck and incorporated under its present name in 1778. Population in 1910, including the villages of Renfrew, Maple Grove and Zylonite, 13,026.