shiplap: Meaning and Definition of

ship•lap

Pronunciation: (ship'lap"), [key]
— n. Carpentry.
  1. an overlapping joint, as a rabbet, between two boards joined edge to edge.
  2. boarding joined with such overlapping joints. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.