Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: screw propeller
Next word: screwball
Definition of: screw thread
1. The projecting spiral ridge of uniform pitch on the outer or inner surface of a cylinder or cone, as of a screw or nut.
2. A complete revolution of any point in this ridge.
Comment about this word, ask questions, or add new information about this topic: