yearling

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

Tom Fettig and his wife, Kim, were there with 60 yearlings, about half of a herd they were helping their son raise on the outskirts of Bismarck.

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

A sophomore at West Point military academy.

"But is a plebe forbidden to stroll here?" "If a plebe did have the brass to try it," replied Anstey slowly, "I reckon he would have to fight the whole yearling class in turn."

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