1. truncate

replace a corner by a plane

2. truncate

approximate by ignoring all terms beyond a chosen one

Example Sentences:
'truncate a series'

3. cut short, truncate

make shorter as if by cutting off

Example Sentences:
'truncate a word'
'Erosion has truncated the ridges of the mountains'

• cut short

4. truncate, truncated

terminating abruptly by having or as if having an end or point cut off

Example Sentences:
'a truncate leaf'
'truncated volcanic mountains'
'a truncated pyramid'

• truncated