A series of interconnected rings or links usually made of metal.
A series of interconnected things.
A series of stores or businesses with the same brand name.
(physical) A number of atoms in a series, which combine to form a molecule.
A series of interconnected links of known length, used as a measuring device.
A long measuring tape.
A unit of length, exactly equal to 22 yards, which is 4 rods or 100 links, and approximately equal to 20.12 metres; the length of a Gunter's surveying chain; the length of a cricket pitch.
A totally ordered set, especially a totally ordered subset of a poset.
A formal sum of cells in a CW complex of a certain dimension k (in which case the formal sums are called k'''-chains); a formal sum of simplices or cubes of a certain dimension in a simplical complex or cubical complex (respectively).
(broadly) An element of a group (or module) in a chain complex.
(British) A sequence of linked house purchases, each of which is dependent on the preceding and succeeding purchase (said to be "broken" if a buyer or seller pulls out).
That which confines, fetters, or secures; a bond.
(in-plural) Iron links bolted to the side of a vessel to bold the dead-eyes connected with the shrouds; also, the channels.
A livery collar, a chain of office.
The warp threads of a web.

(transitive) To fasten something with a chain.
(figuratively) To connect as if with a chain, due to dependence, addiction, or other feelings
(intransitive) To link multiple items together.
(transitive) To secure someone with fetters.
(transitive) To obstruct the mouth of a river etc with a chain.
(figuratively) To obligate.
To relate data items with a chain of pointers.
To be chained to another data item.
(transitive) To measure a distance using a 66-foot long chain, as in land surveying.
(rare, transitive) To load and automatically run (a program).

chain

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