- Something that bisects, especially a ray that bisects an angle.二等分物，尤指平分一个角的直线
- Richard III
- Richard Roe
- Richards
- Richardson
- Richardson's ground squirrel
- Richelieu
- richen
- richened
- richening
- richens
- richer
- riches
- riches
- richest
- Richet
- Richfield
- Richland
- Richland College
- Richland Community College
- Richler
- Richmond
- Richmond College
- Richmond College
- Richmond Community College
- Richmond Highlands