truncate (v.)

late 15c., from Latin truncatus "cut off," past participle of truncare "to maim, mutilate, cut off," from truncus "maimed, mutilated," also "trunk of a tree, trunk of the body," of uncertain origin, probably originally "mutilated, cut off," and perhaps from PIE root *tere- (2) "cross over, pass through, overcome." Related: Truncated; truncating.

Others are reading

Definitions of truncate from WordNet
truncate (v.)
replace a corner by a plane;
truncate (v.)
approximate by ignoring all terms beyond a chosen one;
truncate a series
truncate (v.)
make shorter as if by cutting off;
truncate a word
Erosion has truncated the ridges of the mountains
Synonyms: cut short
truncate (adj.)
terminating abruptly by having or as if having an end or point cut off;
truncated volcanic mountains
a truncated pyramid
a truncate leaf
Synonyms: truncated