What is the meaning of Helma?

helmet

hard hat

skirt, base, lap (part of a dress or robe, etc., that hangs below the waist)

hem (border of an article of clothing doubled back and stitched together to finish the edge and prevent it from fraying)

care

valance (short, decorative edging of cloth that conceals the underside of a bed, couch or other piece of furniture)

skirt, base, lap (part of clothing hanging below the waist)

helm (of boat), tiller

helmet

Source: wiktionary.org