/skweuh moh"seuhl/ , adj.
1. Anat. of or pertaining to the thin, scalelike portion of the temporal bone that is situated on the side of the skull above and behind the ear.
2. Zool. pertaining to a corresponding bone in other vertebrates.
3. squamous.
n.
4. a squamosal bone.
[ 1840-50; squamos ( us ) squamous + -AL 1 ]