How to Look Up Definitions with Claude
Look up word definitions with Claude and ToolRouter. Comprehensive dictionary lookups instantly.
Tool
Claude makes dictionary lookups the starting point of deeper word exploration. Define a word, then ask about its nuances in specific contexts, compare it against similar terms, and explore how it is used differently across fields like law, medicine, and everyday speech. Each follow-up enriches your understanding.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Dictionary Words tool:
- Ask Claude: "Define the word ephemeral using dictionary-words"
- Claude returns the full definition with parts of speech and examples
- Ask: "Use this word in three different sentences"
- Understand the word in context
Example Prompt
Try this with Claude using the Dictionary Words tool
Define "ubiquitous" -- give me all meanings, part of speech, and example sentences.
Tips
- Ask Claude to explain the difference between similar words
- Request definitions in the context of a specific field like law or medicine
- Combine with synonyms to find the best word for your writing