Compound adjective meaning 'having teeth or notches like a saw'; no corresponding verb, so not ADJECTIVE_PAST_PARTICIPLE.
The saw-toothed edges of the blade were rusted.
Зубчатые края лезвия заржавели.
The saw-toothed skyline of the mountains impressed the hikers.
Пилообразный силуэт гор произвел впечатление на туристов.