spreader

2. A knife used for spreading butter or jam on bread.

She grabbed a spreader to put cream cheese on her bagel.

3. A machine that scatters seeds, salt, or sand over an area.

The truck's salt spreader cleared the icy road.

4. A bar or device that keeps things apart, such as on a kite or in a garden.

The spreader kept the kite's strings from tangling.