bead, butt, and square

bead, butt, and square

[¦bēd ‚bət ən ′skwār]
(building construction)
Framed work similar to bead and butt but having the panels flush on the beaded face only, and showing square reveals on the other.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.