mappern.

1635 D. Person Varieties i. 44 Our moderne Navigators and Mappers.

1838 Times 8 Dec. 3/3 As the surveyors and mappers have been working hard.., there is a great probability of the business being finished in the course of the following five or six years.

1851 W. Collins Rambles beyond Railways v. 103 I think you are both of you mappers who come here to make new roads—you may be coming to make a railroad, I dare say—we've had mappers in the country before this.

1883 R. F. Burton & V. F. Cameron To Gold Coast I. ii. 32 Columbus..lived as a mapper with his father-in-law.

1974 Sci. Amer. June 130/3 Allowing for some license to neglect the benefits of other working systems to mappers, weathermen, the military and the U.S.S.R., the aphorism is nearly just.

1982 J. Butterfield et al. What is Dungeons & Dragons? 177 Mapper, the player who makes a rough map of the dungeon as it is traversed.

1992 Economist 24 Oct. 123/3 The DNA between genes, which mappers call junk, has its uses.

1975 Aviation Week & Space Technol. 3 Mar. 19/2 Addition of thermal infrared sensing as will be used on Landsat-C and a second additional band to help discriminate vegetation as planned for the thematic mapper now under development will be needed for more accurate measurements.

1988 Aviation Week & Space Technol. 30 May 16 (caption) NASA ozone mapper, which provided this map of the ozone hole over Antarctica from the Nimbus 7 spacecraft, would be carried on a Soviet Meteor satellite.

1992 RTZ Rev. June 13/1 From Landsat-4 on there has been another higher performance instrument on board, the Thematic Mapper (TM), alongside the still functioning MSS.