Noun bruno has 3 senses

• bruno(n = noun.person) bruno of toul, leo ix - German pope from 1049 to 1054 whose papacy was the beginning of papal reforms in the 11th century (1002-1054);
is a kind of bishop of rome, catholic pope, holy father, pontiff, pope, roman catholic pope, vicar of christ

• bruno(n = noun.person) saint bruno, st. bruno - (Roman Catholic Church) a French cleric (born in Germany) who founded the Carthusian order in 1084 (1032-1101);
is a kind of churchman, cleric, divine, ecclesiastic, saint

• bruno(n = noun.person) giordano bruno - Italian philosopher who used Copernican principles to develop a pantheistic monistic philosophy; condemned for heresy by the Inquisition and burned at the stake (1548-1600);
is a kind of philosopher