maid

A girl or an unmarried young woman; maiden.

An adult or adolescent female servant or cleaner (short for maidservant). (In feudal times this could be anyone from a high-ranking assistant to a low-ranking cleaner.)

She was a fat, round little woman, richly apparelled in velvet and lace, […]; and the way she laughed, cackling like a hen, the way she talked to the waiters and the maid,[…]—all these unexpected phenomena impelled one to hysterical mirth, and made one class her with such immortally ludicrous types as Ally Sloper, the Widow Twankey, or Miss Moucher.

A virgin, now female but originally one of either gender.

You are betrothed both to a maid and man.

To serve as lady's maid to, to wait upon.

And as she did so there came to her a comfortable recollection, an incident of her long-past youth, in the days when she, then Ellen Green, had maided a dear old lady.

The constellation and zodiacal sign Virgo.

Virgo, the Maid, guideth the Womb, Midriff and Guts.

The diamond is said to typify innocence, and it is also associated with Virgo, the maid, in the Signs of the Zodiac, whilst the ruby is associated with the sign Aries, the ram.