Definitions

1. adjective

Having a length or height of half the standard or normal size.

“The semidouble doors swung open to reveal a cozy living room.”

2. noun

A card that has a special power or ability in certain card games.

“In the card game, she drew a semidouble and was able to use its power to change the game.”

3. noun

A term used to describe a type of double horse in horse racing.

“The jockey rode a semidouble to a surprising victory.”