scram ‧ bler /ˈskræmblə $ -ər/ BrE AmE noun [countable]
a machine that mixes up a radio or telephone message so that it cannot be understood without special equipment
scram ‧ bler /ˈskræmblə $ -ər/ BrE AmE noun [countable]
a machine that mixes up a radio or telephone message so that it cannot be understood without special equipment
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012