Definitions

1. verb

to support or defend someone who is being bullied, oppressed, or treated unfairly

“She stood up to her classmates who were bullying the new student, so they would upstand for her.”

2. noun

a vertical beam or post that supports the end of a beam or joist, typically a short vertical post that supports the end of a horizontal beam or joist in a building

“The upstand was damaged in the storm, causing the roof to leak.”