periplus

1. (literature) An account of a voyage, particularly those of Hanno and Arrian, recording ports and coastal landmarks.Examples: "Then follows a Periplus of the Euxine-Sea, which bears the name of Arrian, and was undoubtedly written by him in the time of Adrian, as the inſcription ſhews."; "The Periplûs of the Erythrêan Sea is the title prefixed to a work which contains the beſt account of the commerce carried on from the Red Sea and the coaſt of Africa to the Eaſt Indies, during the time that Egypt was a province of the Roman Empire."; "Another great source of geographical information both for the ancients themselves and, so far as they still exist, for us also, are the Peripli (περίπλοι), that is, descriptions of the coasts of certain seas, in which the towns, ports, and promontories are enumerated, and often with their distances from one another. These peripli were drawn up for the guidance of sailors who had occasion to visit these seas for commercial and other purposes."

2. (uncommon) Synonym of circuit: the path or distance around a coast.Synonyms: circuituncommon

3. (uncommon) Synonym of circumnavigation: a voyage around an island or the world.Examples: "All the four books and the photograph are, in various degrees of literality or metaphoricity, about a periplus, the circumnavigation of an entire world, be that Homer's Mediterranean, Dante's hell, purgatory and paradise, Joyce's Dublin, or the cosmos of The Cantos, stretching across all the continents and all periods of history, and they are, therefore, the logbook accounts of such a periplus."Synonyms: circumnavigationuncommon