Lagniappe
Pronunciation : La*gniappe, La*gnappe"
Part of Speech : n.
Definition : Defn: In Louisiana, a trifling present given to customers by tradesmen; a gratuity.
Lagniappe . . .is something thrown in, gratis, for good measure. Mark Twain.
[Etym. uncertain.]
Source : Webster's Unabridged Dictionary, 1913