home·school (h?m?sko?ol?)v. home·schooled, home·school·ing, home·schools v.tr. To instruct (a pupil, for example) in an educational program outside of established schools, especially in a home.v.intr. To provide educational instruction in a homeschool.n. A school operated outside established educational institutions, especially in a home.home?school?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.home?school?ing (?ho?m?sku l??) n. the practice of teaching one’s own children at home instead of sending them to school. [1985?90] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.