Meaning
A name that means something.
C"Of noble character, marked (with a beauty mark)." Ash-Shayma was the foster-sister of the Prophet, daughter of his wet nurse Halima.
Etymology, in one line
Arabic root: sh-y-m — ش-ي-م, character, moral quality
Regional variants
"Shaima" is the cleaner US spelling — the "Ch" transliteration is French-influenced.