transitive. To make narrower; to reduce the breadth of. In early use occasionally figurative or in figurative context: †to constrict, constrain…

To narrow (e.g. the course of a river, a street).

transitive. To render strait or narrow; to narrow, contract (an opening, a passage, road, stream, etc.). Now somewhat rare.

transitive. = straiten, v. To make narrow.

transitive. To narrow or constrict; to contract.

transitive. To pull, squeeze, or draw in; to compress sharply; to constrict. Frequently in passive.