'Splenius' definitions:
Definition of 'splenius'
(from WordNet)
noun
Either of two flat muscles that extend from the upper vertebrae to the base of the skull and serve to rotate or flex or extend the head and neck [syn: splenius, splenius muscle]
Definition of 'Splenius'
From: GCIDE
- Splenius \Sple"ni*us\, n. [NL.] (Anat.) A flat muscle of the back of the neck. [1913 Webster]