1a restriction on a person or activity:the strictures imposed by the British Board of Film Censors
2a sternly critical or censorious remark or instruction:his strictures on their lack of civic virtue
3 Medicine abnormal narrowing of a canal or duct in the body:a colonic stricture [mass noun]:jaundice caused by bile duct stricture
late Middle English(in stricture (sense 3)): from Latin strictura, from stringere 'draw tight' (see strict). Another sense of the Latin verb, 'touch lightly', gave rise to stricture (sense 2) via an earlier meaning 'incidental remark'
stricture in other Oxford dictionaries
Definition of stricture in the US English dictionary