"Our cat loves to play with a small wad of paper."
2.nounA substantial pile (normally of money).
"With a wad of cash like that, she should not have been walking round Manhattan"
3.nounA 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.
4.nounA sandwich.
5.nounAn ejaculation of semen.
6.verbTo crumple or crush into a compact, amorphous shape or ball.
"She wadded up the scrap of paper and threw it in the trash."
7.verbTo wager.
8.verbTo insert or force a wad into.
"to wad a gun"
9.verbTo stuff or line with some soft substance, or wadding, like cotton.