Definition of gilts:
(n) :
(uncountable) Gold or other metal in a thin layer; gilding.
(n) :
(uncountable, by extension) Gold-colored paint or other coating.
(n) :
(uncountable, slang) Money.
(n) :
(countable, finance, UK) A security (usually a bond) issued by the Bank of England (see gilt-edged).
(adj) :
Golden coloured.
(n) :
(UK, regional) A young female pig, at or nearing the age of first breeding.