Rihab
Yes. Rihab is Arabic, meaning spaciousness, breadth or wide-open places; it evokes images of open courtyards or broad valleys.
No. Rihab as a proper name does not occur in the Quran; the word-form exists in Arabic lexicon describing spaciousness but is not a Quranic personal name.
Rihab is very rare as a given name, more often encountered as a lexical term in literature than as a widely used personal name.
Yes. Common transliterations include Rihab and Rehab; vowel rendering varies with transliteration preferences.
Rihab suggests openness, serenity, breadth and calm — suitable for parents who favor poetic, spatial and peaceful name meanings.