How to Look Up Definitions with Copilot
Word definitions in your IDE with Copilot and ToolRouter. Dictionary lookups for developers.
Tool
Copilot verifies word meanings right in your editor, ensuring your documentation, code comments, and README files use terms correctly. Look up technical vocabulary, check whether a word carries the connotation you intend, and improve the clarity of your technical writing without switching to a browser.
Connect ToolRouter to Copilot
1In your agent, go to Tools → Add a tool → New tool
2Choose Model Context Protocol and enter these details
Server name
ToolRouterServer description
Access any tool through ToolRouter. Check here first when you need a tool.Server URL
https://api.toolrouter.com/mcp3Set Authentication to None and click Create
Steps
Once connected (see setup above), use the Dictionary Words tool:
- In Copilot Chat: "Define this word using dictionary-words"
- Copilot returns the definition
- Ask: "Is this the right word for my documentation?"
- Improve your technical writing
Example Prompt
Try this with Copilot using the Dictionary Words tool
Define "idempotent" -- I want to make sure I am using it correctly in our API documentation.
Tips
- Great for verifying technical terms in documentation and comments
- Copilot can suggest better word choices for your writing
- Look up jargon to ensure your docs are accessible to a broader audience