Quick definitions from WordNet (lay)
▸ noun: a narrative poem of popular origin
▸ noun: a narrative song with a recurrent refrain
▸ verb: impose as a duty, burden, or punishment ("Lay a responsibility on someone")
▸ verb: put in a horizontal position ("Lay the books on the table")
▸ verb: lay eggs ("This hen doesn't lay")
▸ verb: prepare or position for action or operation ("Lay a fire")
▸ verb: put into a certain place or abstract location
▸ adjective: not of or from a profession ("A lay opinion as to the cause of the disease")
▸ adjective: concerning those not members of the clergy ("The lay ministry")
▸ name: A surname (common: 1 in 12500 families; popularity rank in the U.S.: #1530)
▸ Also see lay
▸ noun: a narrative poem of popular origin
▸ noun: a narrative song with a recurrent refrain
▸ verb: impose as a duty, burden, or punishment ("Lay a responsibility on someone")
▸ verb: put in a horizontal position ("Lay the books on the table")
▸ verb: lay eggs ("This hen doesn't lay")
▸ verb: prepare or position for action or operation ("Lay a fire")
▸ verb: put into a certain place or abstract location
▸ adjective: not of or from a profession ("A lay opinion as to the cause of the disease")
▸ adjective: concerning those not members of the clergy ("The lay ministry")
▸ name: A surname (common: 1 in 12500 families; popularity rank in the U.S.: #1530)
▸ Also see lay