I. ˈsplēnēəl adjective
Etymology: in senses 1 & 2, from New Latin spleni us + English -al; in sense 3, from New Latin spleni um + English -al
1. : of, relating to, or being a thin membrane bone on the inner side of the mandible of many vertebrates below mammals that resembles a splint and is usually in close relation with the dentary
2. : relating to a splenius muscle
3. : of or relating to the splenium
II. noun
( -s )
: a splenial bone