Definitions
1.noun(dated in US) A male person.
2.noun(chiefly Cockney) Someone affable but morally dubious; a wide boy.
3.nounTerm of address for a male."Hi, geezer, you alright?"
4.noun(sometimes mildly) An old person, usually a male, typically a cranky old man.
5.nounWife; old woman.
6.nounA boiling natural spring which throws forth at frequent intervals jets of water, mud etc., driven up by the expansive power of steam.
7.nounAn instantaneous, and often dangerous, hot water heater.
8.nounA domestic water boiler.