* Noun: This is the most common usage. A gimble is a device that allows something to rotate freely in two or more directions. You might hear, "The ship's compass was mounted on a gimble."
* Verb: "To gimble" can mean to mount something on a gimble. You might say, "We gimbled the telescope to the table."
* Adjective: This is less common, but it exists. "Gimble" can be used to describe something that rotates freely, as in "The gimble bearings on the satellite."
The part of speech will be clear based on how the word is used in a sentence.