(chess) a relatively complex game involving closed ranks and files and permitting only nontactical positional manoeuvring Compare open game
noun 1. a gentian, Gentiana andrewsii, of the eastern and central U.S., having tight clusters of dark blue, closed flowers.
- Closed head injury
closed head injury n. A head injury in which the scalp and mucous membranes remain unbroken.
- Closed hospital
closed hospital n. A hospital in which only physicians who are members of the attending and consulting staff may admit and treat patients.
- Closed interval
noun 1. (maths) an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1 closed interval A set of numbers consisting of all the numbers between a pair of given numbers and including the endpoints.