The term "arrester hook" is used to describe a device that is used to stop or slow down a moving object. This type of device is most commonly found on airplanes, ships, and other large vehicles that require stopping power to come to a halt. There are several synonyms for the word "arrester hook" that are commonly used in various industries. Some of these include "arresting gear," "tailhook," "deck hook," "carrier hook," and "landing hook." Each of these terms is used to describe the same basic concept - a device that is used to slow down or stop a moving vehicle by catching onto a fixed point.