Definitions:
a dog of a dwarf breed like a bulldog with a broad flat nose and deeply wrinkled face.

a small, slender moth which rests with its wings stretched out to the sides.

work (clay) into a soft, plastic condition suitable for making bricks or pottery, without air pockets

pack (a space) with pug, sawdust, or other material in order to deaden sound or make something fireproof

pugged clay.

a boxer

the footprint of an animal

track (an animal) by its footprints.