Exodus 26:19
And thou shalt make forty sockets of silver under the twenty boards; two sockets under one board for his two *tenons, and two sockets under another board for his two tenons.
And thou shalt make forty sockets of silver under the twenty boards; two sockets under one board for his two tenons, and two sockets under another board for his two tenons.
*:
tenons-projections on a piece of wood which fit into corresponding holes to make a joint.