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.
Definition of octa from the Collins English Dictionary Brackets ( ) Brackets(also called parentheses) are used to enclose a word or words which can be left out and still leave a meaningful sentence.