What does amendment mean?
The definition of amendment
A*mend”ment, n.
Etym: [F. amendement, LL. amendamentum.]

1 An alteration or change for the better; correction of a fault or of faults; reformation of life by quitting vices.
2 In public bodies; Any alternation made or proposed to be made in a bill or motion by adding, changing, substituting, or omitting.
3 (Law)
Correction of an error in a writ or process.

Synonyms
— Improvement; reformation; emendation.