We found one dictionary that defines the word Mommy's Day:

General (1 matching dictionary)

1. Mommy's Day: Wiktionary

Definitions from Wiktionary (Mommy's Day) ▸ noun:  (US, childish) Synonym of Mother's Day ▸ Words similar to Mommy's Day ▸ Usage examples for Mommy's Day ▸ Idioms related to Mommy's Day ▸ Wikipedia articles (New!) ▸ Words that often appear near Mommy's Day ▸ Rhymes of Mommy's Day ▸ Invented words related to Mommy's Day