MIL
Also called mil, MiL, DMIL, mother-in-law
MIL stands for mother-in-law, your partner's mother. Parents write it when they talk about grandparents and the new baby, often next to DH for dear husband and FIL for father-in-law.
How it's said
Who says it
Where it came from
It's one of the family acronyms on parenting forums, listed beside DH, DS, DD and FIL. Some posters add a D for darling or dear and write DMIL.