Archaeology. Any of a number of stone artefacts, usually around 30 cms (12 inches) high, carved in the form of a mushroom cap supported by the figure of an animal, god, etc., found in Guatemala and occasionally elsewhere in Mesoamerica.
Origin
Mid 17th century (in an earlier sense). From mushroom + stone.
Definition of mushroom stone in US English:
mushroom stone
noun
Archaeology. Any of a number of stone artefacts, usually around 30 cms (12 inches) high, carved in the form of a mushroom cap supported by the figure of an animal, god, etc., found in Guatemala and occasionally elsewhere in Mesoamerica.
Origin
Mid 17th century (in an earlier sense). From mushroom + stone.