1. Large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs
   "The mound builder's unique nesting behaviour fascinated the ornithologists";
   - megapode, mound bird, mound-bird, scrub fowl

1. Any of various prehistoric Native American peoples who built earthen burial and ceremonial mounds in North America
   "The Mound Builders created complex societies throughout the Mississippi Valley"

Derived forms: mound builders, Mound Builders

Type of: gallinacean, gallinaceous bird, primitive, primitive person

Part of: family Megapodiidae, Megapodiidae

Encyclopedia: Mound builder