Arabian/əˈreɪbiən/ Definition 1 of 3Pro Tip 1/3Cultural Richness Emphasizes the historic and cultural heritage associated with Arabian entities. The Arabian museum exhibit showcases ancient artifacts. Pro Tip 2/3Geographic Specificity Use 'Arabian' to mention things specifically linked to the Arabian region. I dream of visiting the Arabian Desert. Pro Tip 3/3Not for People Prefer 'Arab' over 'Arabian' when referring directly to people from Arab countries. She is an Arab poet, not Arabian poet.