crop circle
Noun
Meaning
crop circle (plural crop circles)
An area in a field of crops where the stalks have been flattened into a circle or other geometric shape.
Synonyms
Examples
Crop circle researcher Jim Schnabel does not consider this to be a historical precedent for crop circles because the stalks were cut down, not bent.
Crop circle aficionados also appeared: groups of people drawn to the circles by some mysterious attraction.