LAGNIAPPE; LAGNAPPE
La*gniappe, La*gnappe", n. [Etym. uncertain.]

Defn: In Louisiana, a trifling present given to customers by tradesmen; a gratuity.

Lagniappe . . .is something thrown in, gratis, for good measure.
Mark Twain.

LAGOMORPH
Lag"o*morph, n. (Zoöl.)

Defn: One of the Lagomorpha.

LAGOMORPHA
Lag`o*mor"pha, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A group of rodents, including the hares. They have four incisors in the upper jaw. Called also Duplicidentata.

LAGOON La*goon", n. Etym: [It. or Sp. laguna, L. lacuna ditch, pool, pond,lacus lake. See Lake, and cf. Lacuna.] [Written also lagune.]

1. A shallow sound, channel, pond, or lake, especially one into which the sea flows; as, the lagoons of Venice.

2. A lake in a coral island, often occupying a large portion of its area, and usually communicating with the sea. See Atoll. Lagoon island, a coral island consisting of a narrow reef encircling a lagoon.