v. /un'deuhr lay"/ ; n. /un"deuhr lay'/ , v. , underlaid, underlaying , n.
v.t.
1. to lay under or beneath.
2. to provide with something laid underneath; raise or support with something laid underneath: The manufacturer underlays the chrome finish with a zinc coating.
3. to extend across the bottom of.
n.
4. something underlaid.
5. Print. a piece or pieces of paper put under type or cuts to bring them to the proper height for printing.
[ bef. 900; ME underleyen, OE underlecgan; see UNDER-, LAY 1 ]