flatten has definitions from the field of music
1
[ verb ] make flat or flatter

Examples

"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 .

2
[ verb ] become flat or flatter

Synonyms

flatten_out

Examples

"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 .

Related terms

change_shape press splat

3
[ verb ] (music) lower the pitch of (musical notes)

Synonyms

drop

Related terms

sharpen change music

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