Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: three year old
  1. A racehorse that is three years old
    - three-year-old horse
Adjective: three-year-old
  1. Three years of age

Derived forms: three year olds

See also: immature, young

Type of: bangtail [US, informal], neddy [Austral, informal], pony [informal], race horse, racehorse