sliding

Etymology

verb

1. present participle and gerund of slide
   Children were swinging and sliding in the playground.

noun

1. The motion of something that slides.
   Her driver was new to the country; he mightn't be prepared for the leaping of the yellow water down dry arroyos, swift as the pouncings of a cat, or the snake-like slidings of tons of loosened rock and clay from the steep potreros […] 1931, Mary Hunter Austin, Starry Adventure, page 274

adj

1. Designed or able to slide.
   Our yard is just outside the sliding door.