A dewlap is a longitudinal flap of skin or similar flesh that hangs beneath the lower jaw or neck of many vertebrates. More loosely, it can be various similar structures in the neck area, such as those caused by a double chin or the submandibular vocal sac of a frog.

The meaning of DEWLAP is a fold or flap of skin on the neck of some animals.

Aug 8, 2016 · Dewlaps are loose flaps of skin that hang from the necks of some animals, notably certain lizards, birds, and hoofed mammals. These enigmatic ornaments are usually more pronounced in males than in females, suggesting a role in sexual selection. This seems to be the case in lizards and birds, which use their dewlaps in sexual displays.

A dewlap is a flap of skin that hangs beneath the neck of many animals. It can also be used to mean other things such as a double chin on a person or the vocal sac of a frog. The term dewlap can also be used to mean a caruncle, defined as "a small, fleshy excrescence that is a normal part of an animal's anatomy". [1]

Mar 19, 2025 · In lizards, particularly anoles, the dewlap is a brightly colored, expandable throat fan used by males to attract females and establish dominance. In ungulates like cattle, it may play a role in sexual signaling or predator deterrence.

May 27, 2024 · A dewlap is a fold of loose skin hanging from the neck or throat of an animal. Lizards, birds, and mammals can all have a dewlap.

DEWLAP definition: 1. a fold of loose skin that hangs under the throat of some animals such as some cows or dogs; also…. Learn more.

Mar 12, 2025 · The dewlap, a fascinating and often brightly colored flap of skin found under the throat of many lizards, particularly those of the Anolis genus, serves as a dynamic visual signal. It works through a clever combination of anatomical structure and muscular action.

Mar 11, 2025 · The purpose of a dewlap on a lizard, particularly in the Anolis genus, is multifaceted, serving primarily as a visual signal critical for communication. Think of it as a billboard, announcing the lizard’s presence and intentions to the world.

Define dewlap. dewlap synonyms, dewlap pronunciation, dewlap translation, English dictionary definition of dewlap. n. 1. A fold of loose skin hanging from the neck of certain animals. 2. A pendulous part similar to this, such as the wattle of a bird. 3. A fold of loose...