(anatomy) The central of the three divisions of the small intestine which lies between the duodenum and the ileum.
noun (plural: jugulars, rarely used in plural form)
- vein through the neck (or thorax) that returns blood from the head back towards the heart. Properly this is called the jugular vein
- By extension any critical vulnerability ("it was vicious; he went for the jugular").
- relating to or located near the neck or throat.