What is the meaning of Napoleon?

The franc germinal: a 20-franc gold coin issued under Napoleon I of France.

Other subsequent 20-franc coins, notes, or values.

A person resembling Napoleon Bonaparte, (usually) in having come to dominate an area or sphere of activity through ruthlessness or illegality as well as surpassing ability.

Clipping of Napoleon boot: a form of topboot worn by officers during the Napoleonic Wars.

Clipping of Napoleon gun: a 12-pounder cannon first used by the Second French Empire.

A 19th-century five-card trick-taking game simplified from euchre.

Clipping of double napoleon: a form of patience.

Alternative form of nap: a horse to go nap on, a sure thing, a certain winner; a prediction of such a horse; a bet on such a horse.

Clipping of Napoleon bigarreau: a variety of the white-fleshed bigarreau cherry; a variety of cherry tree bearing such fruit.

Clipping of Napoleon cake: another name for a millefeuille pastry.

Clipping of Napoleon brandy: any excellent brandy; a serving of such a brandy.

Short for Napoleon slice.

the 20-franc gold coin, the franc germinal, originally issued under Napoleon, but also used of subsequent gold coins of the same denomination

napoleon (colloquial term for a former French gold coin, the 20-franc gold coin)

napoleon (coin)

Source: wiktionary.org