noun, plural por·to·la·nos, por·to·la·ni [pawr-tl-ah-nee, pohr-] /ˌpɔr tlˈɑ ni, ˌpoʊr-/.
Origin of portolano
Examples from the Web for portolani
Historical Examples of portolani
This is the most remarkable of all the Portolani of the fourteenth century.
Strictly scientific map-making begins with the Mediterranean portolani.
In the fourteenth century the map of Edrisi was superseded by the new Italian plans and coast-charts, or Portolani.