'Layman' definitions:

Definition of 'layman'

From: WordNet
noun
Someone who is not a clergyman or a professional person [syn: layman, layperson, secular] [ant: clergyman, man of the cloth, reverend]

Definition of 'Layman'

From: GCIDE
  • Layman \Lay"man\n.; pl. Laymen. [Lay, adj. + man.]
  • 1. One of the people, in distinction from the clergy; one of the laity; sometimes, a man not belonging to some particular profession, in distinction from those who do. [1913 Webster]
  • Being a layman, I ought not to have concerned myself with speculations which belong to the profession. --Dryden. [1913 Webster]
  • 2. A lay figure. See under Lay, n. (above). --Dryden [1913 Webster]