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# Source code for langchain_community.tools.merriam_webster.tool

    """Tool for the Merriam-Webster API."""

    from typing import Optional

    from langchain_core.callbacks import CallbackManagerForToolRun
    from langchain_core.tools import BaseTool

    from langchain_community.utilities.merriam_webster import MerriamWebsterAPIWrapper

    class MerriamWebsterQueryRun(BaseTool):
        """Tool that searches the Merriam-Webster API."""

        name: str = "merriam_webster"
        description: str = (
            "A wrapper around Merriam-Webster. "
            "Useful for when you need to get the definition of a word."
            "Input should be the word you want the definition of."
        )
        api_wrapper: MerriamWebsterAPIWrapper

        def _run(
            self,
            query: str,
            run_manager: Optional[CallbackManagerForToolRun] = None,
        ) -> str:
            """Use the Merriam-Webster tool."""
            return self.api_wrapper.run(query)