| john xxiii | (n) Italian pope from 1958 to 1963 who convoked the Second Vatican Council (1881-1963), Syn. Angelo Guiseppe Roncalli |
| leo xiii | (n) Italian pope from 1878 to 1903 who was interested in the advancement of learning and who opened the Vatican secret archives to all scholars, Syn. Giovanni Vincenzo Pecci, Gioacchino Pecci |
| louis xiii | (n) king of France from 1610 to 1643 who relied heavily on the advice of Cardinal Richelieu (1601-1643) |
| eighty-three | (adj) being three more than eighty, Syn. 83, lxxxiii |
| fibrinase | (n) in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot, Syn. factor XIII |
| gregory | (n) the pope who sponsored the introduction of the modern calendar (1572-1585), Syn. Ugo Buoncompagni, Gregory XIII |
| seventy-three | (adj) being three more than seventy, Syn. lxxiii, 73 |
| sixty-three | (adj) being three more than sixty, Syn. 63, lxiii |
| thirteen | (n) the cardinal number that is the sum of twelve and one, Syn. 13, XIII, baker's dozen, long dozen |
| thirteen | (adj) being one more than twelve, Syn. 13, xiii |
| thirty-three | (adj) being three more than thirty, Syn. xxxiii, 33 |
| twenty-three | (n) the cardinal number that is the sum of twenty-two and one, Syn. XXIII, 23 |
| twenty-three | (adj) being three more than twenty, Syn. xxiii, 23 |
| xiii | adj. |
| xxiii | adj. The Roman number representing twenty-three. |