yearling

An animal that is one year old or has not completed its second year.

A racehorse that is one year old, dating from January 1 of the year in which it was foaled in the Northern Hemisphere, and from July 1 or August 1 in the Southern Hemisphere.

A young beast one year old or in the second year of its age.

Under racing and trotting rules, a horse one year old, dating from January 1st of the year of foaling.

A year old; of a year’s age, duration, or date: as, a yearling heifer.

An animal one year old, or in the second year of its age; — applied chiefly to cattle, sheep, and horses.

Being a year old.

An animal that is between one and two years old.

A racehorse that is considered to be one year old until a subsequent January 1st.

a young child