al·ter [ áwltər ](past and past participleal·tered, present participleal·ter·ing, 3rd person present singularal·ters)
verb
Definition:
1. transitive and intransitive verb change: to make changes to something or somebody, or be changed or become different We'll have to alter our plans.
2. transitive verb adjust garment for better fit: to make adjustments to a piece of clothing so that it fits better The pants are fine, but the jacket will have to be altered.
3. transitive verb North America castrate animal: to castrate or spay an animal
(
informal
)
[14th century. Via French< late Latin alterare< Latin alter "other"]