(uncountable) A silvery elemental metal with an atomic number of 28 and symbol Ni. / (US, Canada, countable) A coin worth 5 cents. / (US, slang, by extension) Five dollars.

(US, idiomatic, somewhat dated) Synonym of cheap: Low price and/or low value.

(transitive) To plate with nickel. / (UK, WWII) To distribute airborne leaflet propaganda.

A familiar, invented name for a person or thing used instead of the actual name of the person or thing, often based on some noteworthy characteristic.

(transitive) To give a nickname to (a person or thing).

(Britain, slang) Pound sterling.

A soft neighing sound characteristic of a horse. / A snigger or suppressed laugh.

To make a soft neighing sound characteristic of a horse. / To produce a snigger or suppressed laugh.

(obsolete, slang) One of the night brawlers of London formerly noted for breaking windows with halfpence.

(UK, informal) To snatch or steal.