Zelmah \z(e)-lmah, zel-mah\ as a girl's name is a variant of Selma (Old German, Arabic), and the meaning of Zelmah is "helmet of God; safe".
The baby name Zelmah sounds like Zelma and Selmah. Other similar baby names are Almah, Delma, Zelda, Helma, Salmah, Seemah, Selimah, Talmah, Telma, Velma, Zelia, Zelima, Zillah, Zilpah and Zulma.