The Collaborative International Dictionary
Splenius
Splenius \Sple"ni*us\, n. [NL.] (Anat.) A flat muscle of the back of the neck.
Wiktionary
splenius
n. (context anatomy English) A broad muscle running up the top part of the back of the neck.
Usage examples of "splenius".
You build up pad of splenius muss-kle, it takes de blow, de trapezius muss-kle takes de weight.