Osama, 1957–2011, Arab militant leader: founder of al-Qaeda.
Also, Bin Laden.
British Dictionary definitions for bin Laden
bin Laden
/ˌbɪnˈlɑːdən/
noun
1.
Osama (əʊˈsɑːmə). 1957–2011, Saudi-born leader of the al-Qaida terrorist network: presumed architect of the terrorist attacks on New York and Washington of September 11 2001. Killed by US Special Forces in Abbottabad, Pakistan