Bonaparte

UK: English: /ˈbəʊnəˌpɑːt/, French: /bɔnapart/

US: (bō′nə pärt′; Fr. bô na part′)

WordReference Random House Unabridged Dictionary of American English © 2026

Bo•na•parte  (bō′nə pärt′; Fr. bô na part′), n. 

Jé•rôme  (jə rōm′; Fr. zhā rōm′), 1784–1860, king of Westphalia 1807 (brother of Napoleon I). Jo•seph  (jō′zəf, -səf; Fr. zhô zef′), 1768–1844, king of Naples 1806–08;
king of Spain 1808–13 (brother of Napoleon I). Lou•is  (lo̅o̅′ē; Fr. lwē;
Du. lo̅o̅ ē′), 1778–1846, king of Holland 1806–10 (brother of Napoleon I). Lou•is Na•po•lé•on  (lo̅o̅′ē  nə pō′lē ən; Fr. lwē  na pô lā ôn′). See Napoleon III.  Lu•cien  (lo̅o̅′shən; Fr. ly syan′), 1775–1840, prince of Canino, a principality in Italy (brother of Napoleon I).
1. Biographical Napoléon. See Napoleon I. 
2. Biographical Napoléon. See Napoleon II. Italian, Buonaparte. 

Bo′na•par′te•an, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

Bonaparte / ˈbəʊnəˌpɑːt bɔnapart/ noun

2. Jérôme ( ʒerom ), brother of Napoleon I. 1784–1860, king of Westphalia (1807–13)
3. Joseph ( ʒozɛf ), brother of Napoleon I. 1768–1844, king of Naples (1806–08) and of Spain (1808–13)
4. Louis ( lwi ), brother of Napoleon I. 1778–1846, king of Holland (1806–10)
5. Lucien ( lysjɛ̃ ), brother of Napoleon I. 1775–1840, prince of Canino