(organic chemistry, of an aliphatic compound) Having a chain of between about six and twelve carbon atoms

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

(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.

(sometimes collectively) A chain letter.

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

present participle of daisy chain

A chain put on a wheel of a vehicle to give it more traction

A story, each section of which is written by a different author picking up where the previous one left off.

(idiomatic) Free from work or direct supervision. In reference to slave labor, where workers are chained, or to the figurative chain of workers of an assembly line.

An ornamental chain worn around the waist; seen by some as a symbol of slavery.