The noun has 2 meanings:
Meaning #1:
Australian physician and bacteriologist who described the bacterium that causes undulant fever or brucellosis (1855-1931)
Synonyms: David Bruce, Sir David Bruce
Meaning #2:
King of Scotland from 1306 to 1329; defeated the English army under Edward II at Bannockburn and gained recognition of Scottish independence (1274-1329)
Synonyms: Robert the Bruce, Robert I




