What is another word for cylinder lock?
Pronunciation: [sˈɪlɪndə lˈɒk] (IPA) 
A cylinder lock is a type of lock that uses a cylindrical core to secure a door or other object. However, there are many different words that can be used to describe this type of lock. Some synonyms for cylinder lock include barrel lock, pin tumbler lock, European profile cylinder, and key-in-knob lock. Each of these terms may be used to describe a slightly different type of lock or to refer to the same type of lock in a different part of the world. Regardless of the term used, cylinder locks are popular and effective ways to secure doors and other objects.
