'Lagniappe' definitions:

Definition of 'lagniappe'

From: WordNet
noun
A small gift (especially one given by a merchant to a customer who makes a purchase)

Definition of 'Lagniappe'

From: GCIDE
  • Lagniappe \La*gniappe\, Lagnappe \La*gnappe"\, n. [Also spelled lagnappe.][Etym. uncertain.]
  • 1. In Louisiana, a trifling present given to customers by tradesmen; a gratuity. [1913 Webster]
  • Lagniappe . . .is something thrown in, gratis, for good measure. --Mark Twain. [Webster 1913 Suppl.]
  • 2. A tip or gratuity. [PJC]
  • 3. Hence: Anything obtained gratuitously or unexpectedly. [PJC]