\Strait"en\, v. t. [imp. & p. p. {Straitened}; p. pr. & vb. n. {Straitening}.] 1. To make strait; to make narrow; hence, to contract; to confine. Waters, when straitened, as at the falls of bridges, give a roaring noise. --Bacon. In narrow circuit, straitened by a foe. --Milton. 2. To make tense, or tight; to tighten. They straiten at each end the cord. --Pope. 3. To restrict; to distress or embarrass in respect of means or conditions of life; -- used chiefly in the past participle; -- as, a man straitened in his circumstances.