noun, plural sple·ni·i [splee-nee-nee-ahy] /ˈspli ni niˌaɪ/. Anatomy.
a broad muscle on each side of the back of the neck and the upper part of the thoracic region, the action of which draws the head backward and assists in turning it to one side.
Origin of splenius
1725–35; < New Latin, for Latin splēnium < Greek splēníon plaster, patch
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Examples from the Web for splenius
Historical Examples of splenius
This latter relation is also found in the ox, but the splenius in this case is but slightly developed.
When the splenius contracts it extends the head and neck, while inclining them to its own side.
noun plural -nii (-nɪˌaɪ)
anatomy either of two flat muscles situated at the back of the neck that rotate, flex, and extend the head and neck
Word Origin for splenius
C18: via New Latin from Greek splēnion a plaster
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