[roh-muh-nawf, -nof, roh-mah-nuh
f; Russ. ruh-mah-nuhf] 
| 1. | a member of the imperial dynasty of Russia that ruled from 1613 to 1917. |
| 2. | Mi⋅kha⋅il Feo⋅do⋅ro⋅vich [myi-khuh-yeel fyaw-duh-ruh-vyich] , 1596–1645, emperor of Russia 1613–45: first ruler of the house of Romanov. |
| Ro·ma·nov also Ro·ma·noff (rō'mə-nôf', rō-mä'nəf, rə-) Russian ruling dynasty (1613-1917) that began with the accession of Czar Michael (1596-1645; ruled 1613-1645) and ended with the abdication of Nicholas II during the Russian Revolution. |