Verb

1. To cause to move in continuous contact with a surface

   He slid the boat across the grass.

2. To move in continuous contact with a surface.

   The safe slid slowly.

3. To move on a low friction surface.

   The car slid on the ice.

4. To drop down and skid into a base.

   Jones slid into second.

5. To lose one’s balance on a slippery surface.

   He slid while going around the corner.

6. To let pass without action.

   The administrator let the minor infraction slide with only a disapproving look.

Noun

1. A toy for children where they climb up and then slide, glide down again.

   The long, red slide was great fun for the kids.

2. The event of large amounts of rubble, earth and stones moving down the slope of a hill or from a mountain.

   The slide closed the highway.

3. A lever that can be moved in two directions.
4. A valve that works by sliding such as in a trombone.
5. A transparent image, to be projected to a screen.
6. The act of dropping down and skidding into a base
7. A flat, rectangular piece of glass on which a prepared sample may be viewed through a microscope; a microscope slide.