Entry 2 senses · 2 variants Webster, 1913 Regal /(rē"gal)/ · Re·gal · IPA /ˈɹiːɡəl/ a. n. 01 a. Of or pertaining to a king; kingly; royal; as, regal authority, pomp, or sway. 1. Of or pertaining to a king; kingly; royal; as, regal authority, pomp, or sway. “He made a scorn of his regal oath.” — Milton. Syn. Kingly; royal. See Kingly. 02 n. A small portable organ, played with one hand, the bellows being worked with the other, -- used in the sixteenth and seventeenth centuries. 1. A small portable organ, played with one hand, the bellows being worked with the other, -- used in the sixteenth and seventeenth centuries.(Mus.)