/ Dictionary / Index R regula: Meaning and Definition of Find definitions for: reg•u•la Pronunciation: (reg'yu-lu), [key] — pl. -lae (in a Doric entablature) a fillet, continuing a triglyph beneath the taenia, from which guttae are suspended. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reguardant regulable Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language