What is the meaning of Guinea?

A gold coin originally worth twenty shillings; later (from 1717 until the adoption of decimal currency) standardised at a value of twenty-one shillings.

Clipping of guinea fowl.

Synonym of Italian, an inhabitant of Italy or person of Italian descent.

guinea (British gold coin)

guinea (British gold coin)

female equivalent of guineo

feminine singular of guineo

Source: wiktionary.org