noun

1. An amorphous, compact mass.

   “Our cat loves to play with a small wad of paper.”

2. A substantial pile (normally of money).

   “With a wad of cash like that, she should not have been walking round Manhattan”

3. A soft plug or seal, particularly as used between the powder and pellets in a shotgun cartridge, or earlier on the charge of a muzzleloader or cannon.

Synonyms: cumload, cumwad, load, prop, valet

verb

1. To crumple or crush into a compact, amorphous shape or ball.

   “She wadded up the scrap of paper and threw it in the trash.”

2. To wager.

3. To insert or force a wad into.

   “to wad a gun”