screw

Example:The small pawns are essential in maintaining the structure of a building.

Definition:A peg or stop used in a machine or a structure for support or guidance.

Example:Splicing cables is a reliable and secure way to connect two lengths.

Definition:To join (such as in a line or cord) by interweaving strands or by simply lacing together the free ends at each end.

Example:The carpenter uses a mortise to fit the tenon of the cross-piece for strength.

Definition:A dovetail-shaped hole in the end of a post or board in which a mortise-and-tenon joint fits.