[ravedave5]

But it no longer means that in common use.

[bahmboo]

No it still means that.

[LeifCarrotson]

Many people use "electrocute" to mean "receive an electric shock".

Whether the word still means "to receive a fatal electric shock" in spite of this common use is a question of semantics - whether you believe the dictionary ought to be prescriptive or descriptive.

[bryanrasmussen]

Merriam Webster says https://www.merriam-webster.com/dictionary/electrocute to kill or severely injure

[masonic]

Many people use "lay" where "lie" should be used.

Words mean things.