say it: ahy-TIN-ur-er-ee
itinerary is a noun meaning "an established line of travel or access". It carries 3 recorded senses.
an established line of travel or access
a guidebook for travelers
a proposed route of travel
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for itinerary come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.