(historical) A chain used to give easier access to a pocket watch in the watchpocket of a waistcoat. The Albert style went to a T-bar finding that tucked into a buttoned buttonhole of the waistcoat. From there a further small length of chain hung, to which the wearer attached decorative charms such as fraternity or lodge symbols. The double Albert was a chain draped between both watchpockets, with the T-bar and pendant chain in the middle.

(probability theory) A discrete-time stochastic process with the Markov property.

A flexible defensive armor, made of a mesh of interlinked metal rings.

(sometimes collectively) A chain letter.

A garland created from daisies (the flowers). / (computer engineering) A bus wiring scheme in which a series of devices are connected in sequence: A to B, B to C, C to D, etc.

(electronics) To connect a network or other peripheral in sequence from one node to another through the connected devices.

A system of organizations, people, technology, activities, information and resources involved in moving a product or service from supplier to customer.

One who smokes continuously, by lighting one cigarette when they finish another, as in a chain. / One who habitually smokes a lot.

The feeding relationships between species in a biotic community. / (idiomatic) A hierarchy.

A letter that can be mailed successively to different recipients, with each recipient ostensibly (but sometimes sarcastically) being instructed in the body of the letter to mail the letter to another person or persons.