65%RatingSave Gender Masculine Usage Spanish, Portuguese (Rare) Pronounced Pron. /ˈre.ɣu.lo/(Spanish) [key·simplify] Meaning & HistoryExpand Links Spanish and Portuguese form of Regulus. Related NamesFamily Tree·Details RootrexFeminine FormsReina, Reyna(Spanish) Other Languages & CulturesRegulus(Ancient Roman) Regulus(Astronomy) Rex(English) Categories celestial, nature, rare Portuguese