Grossin, Estienne, French composer who flourished in the early 15th century. He entered the priest-hood and served at the church of St. Merry and at Notre Dame Cathedral in Paris. His output included masses, motets, and chansons. See G. Reaney, Early Fifteenth-century Music, Corpus Mensurabilis Musicae, XI/3 (1966).
—Laura Kuhn/Dennis McIntire