Definitions

1. noun

the main vein that returns blood from the head to the heart, especially in the neck.

“The boxer suffered a serious blow to the jugular.”

2. adjective

relating to or situated near the jugular vein.

“The jugular vein is a vital part of the circulatory system.”

3. adjective

striking at or near the jugular, used of a blow or attack.

“The assassin landed a fatal jugular blow to the king.”

4. noun

the most important or vulnerable part of something.

“The jugular of the business is its financial department.”