Who would you call if your house would have a mouse problem? Exterminator or IT support?

I guess things can have multiple definitions and we can use context to distinguish between them?

Any disambiguation is still not covered by your stated definition, that definition is simply wrong.

> that definition is simply wrong

You may wish to read the full entry at: https://www.merriam-webster.com/dictionary/meat

If you still consider it wrong, perhaps you may wish to write Merriam-Webster and suggest a change.

I suppose the phrase "meat is murder" was taking about cabbages then.