A particular kind of knot for fastening a necktie.

One of 105 counties in Kansas, United States. County seat: Pratt.

(medicine, surgery) A closed-suction medical device consisting of an internal drain connected to a grenade-shaped bulb via plastic tubing, commonly used for collecting bodily fluids from surgical sites.

plural of Jackson-Pratt drain

(computing theory) A linear-time algorithm that searches for occurrences of one text string within another, employing the observation that when a mismatch occurs, the search string itself embodies sufficient information to determine where the next match could begin, thus reducing the number of possible match locations that must be checked.