1. A geological deposit or layer containing a large concentration of fossilized bones, typically from multiple animals of the same or different species.
Usage: Primarily used in paleontology and geology; Usually plural or used as a mass noun

Examples

• Paleontologists discovered a rich bonebed containing the remains of prehistoric mammals.
• The bonebeds in this region provide evidence of a mass extinction event.
• Excavations at the site revealed multiple bonebeds stacked in successive layers.
• These bonebeds are invaluable for understanding the fauna of the Cretaceous period.
• The team carefully mapped the bonebeds to determine the age and distribution of fossils.