noun (sometimes initial capital letter)
excessive adulation of the mother and undue dependence on maternal care or protection, resulting in absence or loss of maturity and independence.
Origin of momism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
US informal the excessive domination of a child by his or her mother
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012