This is the 9352nd most frequent Catalan word.
illenca
"Illenca" means "island-related" or "islander" (feminine).
"Illenca" is used here as an adjective to describe the character or nature associated with island inhabitants.
L'illa és tranquil·la, i la seva gent és molt illenca.
The island is tranquil, and its people are very islander-like.
"Illenc" is used to denote the atmosphere related to or reminiscent of an island.
M'agrada l'ambient illenc de la festa tradicional.
I like the islander atmosphere of the traditional festival.
"Illencs" is the plural form used to describe customs specific to the lifestyle or tradition of the island.