[ verb ] make flat or flatter
"flatten a road", "flatten your stomach with these exercises"
Used in print("National Affairs"...)
The slugs flattened ten tires and silenced one of the inboard engines ; the plane slowed to a halt .(Newark Evening News...)
Some of the stumps are as much_as three feet long , but most_of them have been flattened by the pressure of the overlying sediments .(Thomas B. Dewey, Hunter at Large....)
Mickey tried to flatten against the banister , gripped it with one hand , but Roberts ' full weight struck him at that moment in the groin .
[ verb ] become flat or flatter
"The landscape flattened"
Used in print(Clement Greenberg, "Collage" in his Art and...)
The process of flattening seemed inexorable , and it became necessary to emphasize the surface still further in_order to prevent it from fusing with the illusion .