The Collaborative International Dictionary of English v.0.48:
layperson \layperson\ n. someone who is not a clergyman or a professional person; a layman. Syn: layman. [WordNet 1.5]WordNet (r) 3.0 (2006):
layperson n 1: someone who is not a clergyman or a professional person [syn: layman, layperson, secular] [ant: clergyman, man of the cloth, reverend]