bolt
n. countablen. a metal pin with a thread that you use with a nut to hold things together. It can also mean a sliding bar used to lock a door or a flash of lightning.
n. a metal fastener consisting of a threaded pin or rod, typically used in conjunction with a nut to secure objects. Also refers to a sliding bar for fastening a door or a sudden discharge of lightning.
He tightened the bolt with a wrench to stop the table from shaking.
The mechanic realized that a single rusted bolt was preventing the entire engine block from being removed.
Structural integrity depends on the precise tension of every bolt within the framework, as even a minor failure can lead to catastrophic mechanical stress across the assembly.
* As an English surname, from the noun bolt, for a maker of bolts, or a nickname for a short and heavy person. * Also as an English surname, variant of Bold. * As a Dutch, north/Low German and Danish surname, from the old Germanic name Baldo, derived from the adjective bold and related to the above. Compare Boldt.
Commonly paired with the noun 'nut' when referring to fasteners; often used in the phrase 'bolt of lightning' for weather phenomena.