Wattle has several meanings:

• Wattle-and-daub refers to a technique of using flexible sticks, branches, or twigs (collectively, the wattle) woven together and packed with mud or similar to make fences, walls, and roofs.
• Wattle (construction) is a form of erosion control typically used to reduce sediment in runoff. A wattle is often constructed of natural plant materials such as hay bales, or plant material grubbed from a construction site and arranged in piles on a downflow slope.
• Wattle is the name for a fleshy growth hanging from the neck or throat of several groups of birds, including chickens, turkeys and vultures, as well as Australia's wattlebirds and three New Zealand species (kokako, saddleback and huia).
• Wattle is the Australian common name of Acacia, e.g., Cootamundra wattle.
• Black Wattle is the common name of the unrelated plant Callicoma serratifolia.
• Steam tug Wattle is a vessel no longer in commercial service in Victoria Harbour, Melbourne, Victoria, Australia.

Animal anatomy