either of two large, flat muscles at the back of the neck, serving to rotate and extend the head and rotate and flex the neck
Origin of spleniusModern Latin ; from Classical Latin splenium, a patch, plaster ; from Classical Greek splēnion, diminutive of splēn, spleen
Either of two muscles of the back of the neck, extending from the upper vertebrae to the base of the skull, that rotate and extend the head and neck.
Origin of spleniusNew Latin splēnius, from Latin splēnium, patch, plaster (from its shape), from Greek splēnion, from splēn, spleen.
Modern Latin, from Ancient Greek σπληνίον (splēnion).