What is the meaning of Ruby?

A clear, deep, red variety of corundum, valued as a precious stone.

A red spinel.

A deep red colour.

The tincture red or gules.

The size of type between pearl and nonpareil, standardized as 5½-point.

A ruby hummer, a South American hummingbird, Clytolaema rubricauda.

A red bird-of-paradise, Paradisaea rubra.

Of a deep red colour.

To make red; to redden.

A pronunciation guide written above or beside Chinese characters.

nominative/accusative/vocative/instrumental plural of rub

A ruby (red precious stone)

A precious individual.

Alternative form of robben

fat, thick

Source: wiktionary.org