This is the 5648th most frequent Arabic word.
لبناني
Lebanese.
Here, 'لبناني' is used as an adjective to describe someone who comes from Lebanon.
الشخص اللبناني يعيش في لبنان.
The Lebanese person lives in Lebanon.
'لبناني' describes the noun 'طبق' and indicates that the dish originates from Lebanon.
هذا الطبق اللبناني هو المفضل لدي.
This Lebanese dish is my favorite.
In this context, 'لبناني' modifies 'رحالة', identifying the nationality of the traveler.