Origin of serrated
Examples from the Web for unserrated
Historical Examples of unserrated
I had seen the rim of the col from both sides, and knew that above it on either hand were unserrated edges.Mount Everest the Reconnaissance, 1921
Charles Kenneth Howard-Bury
1703, past participle adjective based on Latin serratus (see serrate (adj.)). Serrating "sawing" attested from 1590s, but serrate as a transitive verb not attested before 1750 according to OED.