I. noun 1. a minor change or addition designed to improve a text, piece of legislation, etc. • an amendment to existing bail laws.
2. ( Amendment) — an article added to the US Constitution • the First Amendment.
3. something which is added to soil in order to improve its texture or fertility. • you can add some soil-texturizing amendments to improve soil drainage.
– origin Middle English (in the sense ‘improvement, correction’): from Old French amendement, from amender (see amend).