T and O map
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English
[edit]![](http://178.128.105.246/content-http-upload.wikimedia.org/wikipedia/commons/thumb/7/70/T_and_O_map_Guntherus_Ziner_1472.jpg/220px-T_and_O_map_Guntherus_Ziner_1472.jpg)
Etymology
[edit]Short for Latin orbis terrarum, orb or circle of the lands.
Noun
[edit]T and O map (plural T and O maps)
- (historical cartography) A type of mediaeval map of the world, representing only the top half of a spherical Earth.