ocozol . ( Of the nahua ocotl , ocote, and tzotl , sweat). 1. m. tree American family of the Hamamelidáceas, about 15 meters tall, with thick and smooth trunk, large, thick glass, leaves are alternate, petiolate and dentellados five-lobed, greenish apetalous, Unisexual flowers, and capsular fruit. The trunk and branches exude the sweetgum.