What is another word for screw propeller?
Pronunciation: [skɹˈuː pɹəpˈɛlə] (IPA) 
The term "screw propeller" is commonly used to describe the rotating device that is responsible for generating propulsion in a boat or ship. However, there are a number of other synonyms that can be used to describe this essential piece of equipment. Some of the most common include "marine propeller," "boat propeller," "ship propeller," and "water screw." Other less common but still valid alternatives include "screw prop," "screw propulsor," and "marine screw." Ultimately, regardless of the terminology used, all of these phrases refer to the same thing - a device that uses rotational force to create forward motion in a vessel.
