bur ‧ glar /ˈbɜːɡlə $ ˈbɜːrɡlər/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Anglo-French ; Origin: burgler , from Medieval Latin burglator , from burgare 'to burgle' , from Latin burgus 'defended place' ]
someone who goes into houses, shops etc to steal things ⇨ robber , thief , cat burglar