One who, or that which, scares. / Any of various devices for frightening birds away.

plural of scarer

plural of crow scarer

A farmhand employed to scare birds from the fields. / Synonym of scarecrow (“effigy fixed to a pole in a field to deter birds from eating crops or seeds planted there”)

A traditional device found in Japanese gardens, composed of a bamboo tube that when filled with water revolves to empty and makes a clanking sound