Portolanos is a 10 letter English word.
You can make 530 anagrams from letters in portolanos (alnoooprst).
1855-60; Italian: shipmaster's guidebook; earlier, harbor master Medieval Latin portulānus. See port1, -ule, -an
A sea-chart—probably a portolano—is mentioned as early as the account of the Crusade of St. Louis, in 1270.
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