adjective
Definition: Relating to or set off by parentheses, often used to provide additional information or clarification in a sentence.
Example: The teacher made a parenthetical comment to explain the concept further.
noun
Definition: A word, phrase, or remark that is added to a sentence as extra information, often set off by commas or parentheses.
Example: The teacher's explanation included a parenthetical that clarified the main point.