a map which is drawn from observation rather than to exact scale measurements and which shows the main features of an area
sketch map in American English
noun
a rough map of the principal features of a locale, as one drawn from memory
Word origin
[1870–75]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Victorian, fifth wheel, immobilize, linkage, onshore
Examples of 'sketch map' in a sentence
sketch map
But we have several, she said, and produced me a list and a sketch map of the town.
Brierley, David SKORPION'S DEATH
All are rated with a star system and illustrated with photographs, sketch maps and floor plans.