Definitions
1.verbTo shorten (something) by, or as if by, cutting part of it off.
2.verbTo shorten (a decimal number) by removing trailing (or leading) digits.
3.verbTo replace a corner by a plane (or to make a similar change to a crystal).
4.adjectiveDeprived of one of its parts or of its end.
5.adjectiveEnding abruptly as if cut across at the base or tip.