Breadcrumb Home > Thesaurus > R Synonyms of regulus Find synonyms for: Noun 1. Regulus usage: the brightest star in Leo 2. Regulus, genus Regulus, bird genus usage: a genus of birds of the family Sylviidae including kinglets WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of regulus (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language