We found 5 dictionaries that define the word three year old:

General (5 matching dictionaries)

1. three-year-old, three year old: Vocabulary.com
2. three-year-old, three year old: Dictionary.com
3. three-year-old, three year old: FreeDictionary.org
4. three-year-old, three year old: Mnemonic Dictionary
5. three-year-old, three year old: TheFreeDictionary.com

Phrases: three year old horse, more... ▸ Words similar to three year old ▸ Usage examples for three year old ▸ Idioms related to three year old ▸ Wikipedia articles (New!) ▸ Words that often appear near three year old ▸ Rhymes of three year old ▸ Invented words related to three year old