suture. ( 1 in surgery) a thread or wire used to join together a wound. ( 2 in surgery) the seam found after stitching two parts together. 3  an immovable joint between the bones of the skull. ( in plants) the line of fusion between two carpels.
For other uses, see ( ) (disambiguation). A bracket is a tall punctuation mark typically used in matched pairs within text, to set apart or interject other text. The matched pair may be described as opening and closing, or left and right symbols.
Brackets (like single quotation marks) are used exclusively within quoted material. Rule 1. Brackets are interruptions. When we see them, we know they've been added by someone else. They are used to explain or comment on the quotation.