A mooring tower is a structure that is used to secure boats and ships in position. However, there are several other synonyms for mooring towers that can be used to describe similar structures. These synonyms include Bollard, a short vertical post used on docks and wharves for securing mooring lines, Cleat, a fitting on a boat used to secure ropes, Dock Piling, a columnar structure that supports a dock or pier, and Jetty, a structure that extends from the shore into the water used for docking or mooring. All these are structures that serve the same purpose as a mooring tower and can be used interchangeably.