verb

1. To shorten (something) by, or as if by, cutting part of it off.

2. To shorten (a decimal number) by removing trailing (or leading) digits.

3. To replace a corner by a plane (or to make a similar change to a crystal).

Synonyms: round down

adjective

1. Deprived of one of its parts or of its end.

2. Ending abruptly as if cut across at the base or tip.