Save Type River, Body of Water & Settlement Usage Spanish Pronounced Pron. [al.mo.ˈð̞o.β̞aɾ] [key·simplify] Meaning & History From Arabic المدور (al-mudawwar) meaning "round (place)" referring to a fort, hill or other topographic feature. It is the name of a river and reservoir in the province of Cádiz, Spain, as well as three towns in other provinces.