Meaning of wall plate

wall' plate"

Pronunciation: [key]
  1. Also calleda horizontal member built into or laid along the top of a wall to support and distribute the pressure from joists, rafters, etc.
  2. a vertical metal plate secured against a wall, as to attach a bracket.
  3. one of the longer members of a set. Cf.
  4. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.