What is "pucks"

Usage examples of "pucks".

The snowshoes were thick pucks of sandwiched superinsulator and the borrowed suit was a collection of bulky spheres that made him resemble a snowman with strings of beads for arms and legs.

Autographed footballs, basketballs, baseballs, and three hockey pucks rested on top of a long cabinet filled with file folders.

Dan Howard collects a few pucks from Jamesy and they give one another the odd dig.

Up on the bridge the captain began using the whip-cannon to flail out metal pucks in every direction, and the two other bodyguards opened up automatic weapons fire.