Definition of "yearling" in English

noun

1. An animal that is between one and two years old; one that is in its second year (but not yet two full years old).

   • a yearling lamb

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

3. (US) A sophomore at West Point military academy.

   • As a yearling, he admitted to doing his part in ensuring that plebes knew their place at the Academy, […]