Definitions

1. noun

A strong and experienced fighter, especially in a war or contest; also, an old and reliable workhorse.

“The veteran general was known as a warhorse in the army, leading troops to victory time and time again.”

2. noun

A horse used for war or battle, especially a strong and well-trained one.

“The medieval knight rode into battle on his trusty warhorse.”

3. noun

A person or thing that is no longer new or exciting, but is still reliable and useful.

“The old software was once a cutting-edge innovation, but now it’s just a warhorse, still widely used despite its age.”