ser·vo /ˈsɜːvəʊ $ ˈsɜːrvoʊ/ BrE AmE noun ( plural servos ) [countable] technical
a part of a machine which passes on or increases a force or movement:
servo-assisted brakes
ser·vo /ˈsɜːvəʊ $ ˈsɜːrvoʊ/ BrE AmE noun ( plural servos ) [countable] technical
a part of a machine which passes on or increases a force or movement:
servo-assisted brakes
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012