"The term verbal contract is sometimes incorrectly used as a synonym for oral contract. However, a verbal contract is one that is agreed to using words, either written or spoken, as opposed to an implied contract."
It's funny how GP is heavily downvoted even though he's right. Downvoters (which I assume you're one of) didn't even check their facts.
Contrary to common wisdom, an informal exchange of promises can still be binding and legally as valid as a written contract. A spoken contract is often called an "oral contract", not a "verbal contract." A verbal contract is simply a contract that uses words. All oral contracts and written contracts are verbal contracts. Contracts that are created without the use of words are called "non-verbal, non-oral contracts" or "a contract implied by the acts of the parties."
So, that's clearly saying that people use "verbal contract" to mean "spoken contract" - it's not an example of someone using the term "verbal contract" to mean "written contract".
Since you're the one claiming "verbal" equals "oral", you're the one who's supposed to do the research. Wikipedia has a citation on that specific paragraph and there are lots of results in Google. Do your homework before your claims.
But anyways, "verbum, verbi" means "word" in Latin while "os, oris" means "mouth". That should be a clue.
"Verbal contract" always refers to spoken contracts!
This is about usage, not definition. To interrupt a hrwad with a pointless aside in a snarky manner about a common (mis)use of "verbal" deserves a downvote.
Your inability to find an example of someone using "verbal contract" to mean "written contract" has been noted. :p