layman

IPA: ɫˈeɪmʌn

Layperson, someone who is not an ordained cleric or member of the clergy.
(by extension) Someone who is not a professional in a given field.
A common person.
A person who is untrained or lacks knowledge of a subject.
Lay-sister or lay-brother, person received into a convent of monks, following the vows, but not being member of the order.
A surname.

Examples of "layman" in Sentences

Now, Gentlemen, if our layman is a stockholder, he may figure something like this
And that's how we did it, in layman's terms, without getting into the technical aspects of it too deeply.
In debate this is called "dropping the argument"; in layman's terms, it means that if you don't address it, you have conceded that your opponent is correct.
Thank you for you well thought out and considered reply, I have taken in most of the posts here and elsewhere and the only conclusion I can come to as a layman is “shrug”
Probably took hand in more constitutional questions than anybody in history, and you'll find his decisions always had what I call layman's language in part of them, so they'd understand it.