1》 a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.
2》 a diagram or collection of data showing the spatial arrangement or distribution of something over an area.
3》 Biology a representation of the sequence of genes on a chromosome or of bases in a DNA or RNA molecule.
■ verb ( ~s , ~ping , ~ped )
1》 represent or record on or in a ~.
2》 ( ~ something out ) plan a route or course of action in detail.
3》 chiefly Mathematics associate each element of (a set) with an element of another set.
↘( ~ on to ) be associated with or linked to.
off the ~ (of a place) very distant or remote.
put something on the ~ bring something to prominence.
wipe something off the ~ obliterate something totally.
C16: from med. L. ~pa mundi , lit. 'sheet of the world', from L. ~pa 'sheet, napkin'.