(topology) A map from the circle, S¹, to a topological space.^((McLarty, p. 4))

(logic) A formula which has no free occurrences of variables; or equivalently, in which all occurrences of variables are bound.

A play that is intended to be read, rather than performed on stage.

In a closeted manner.

A relatively small closed city

Any of several settlements in Russia that have travel and residency restrictions

One who, or that which, sews the uppers of boots.

A fixed period during which killing game or catching certain fish is prohibited by law.

(rare, literary, dated) comparative form of closely: more closely

(architecture, slang) A small irregular space left by the building of other rooms in a structure.