n.
Function: noun
Date: 1706
1 : the act or process of scanning
2 : a radar or television trace
3 : an image formed by scanning something: as a : a depiction (as a photograph) of the distribution of a radioactive material in something (as a bodily organ) b : an image of a bodily part produced (as by computer) by combining ultrasonic or radiographic data obtained from several angles or sections