* Noun: This is the most common usage, referring to the object itself.
* Example: "The bell rang, signaling the end of class."
* Verb: It can be used as a verb meaning "to ring a bell".
* Example: "The librarian belled the students to silence."
* Adjective: While less common, it can be used as an adjective meaning "shaped like a bell" or "having the sound of a bell".
* Example: "The bell curve of the test results was surprising."
To determine the part of speech, you need to consider its function in the sentence.