Dip

1. A lower section in a road or geological feature. A dip in the road.
2. A tank or trough where cattle or sheep are immersed in chemicals to kill parasites. We put all the animals through a sheep dip.
3. A measuring stick. To measure the oil level in a engine with a dip stick.
4. A swim. We took a dip in the lake.
5. A sauce for dipping. We melted some chocolate to use as a dip.
6. To lower into a liquid. Dip your strawberry in the chocolate sauce.
7. (of a rate or value) To decrease slightly. There was a dip in the price of gas.
8. To lower a light beam. Dip your lights as you meet an oncoming car.