Joinery / Housing groove
Dado
/ˈdeɪ.doʊ/noun
From Italian dado, “die” or “cube,” originally the square block of a pedestal.
Definition
A flat-bottomed groove cut across the grain of one board to receive the end of another, common in shelving and casework; also the lower panelled part of an interior wall.
Fig. 57 — Dado: schematic studyNOT TO SCALE
Illustrative study — Dado · AI-generatedSAMPLE IMAGE
Photo study — Dado · AI-generated00:06
Structural & construction notes
A dado locates shelves and partitions and resists racking in carcasses. Depth is typically a third of the board thickness; stopped dados hide the groove at the front edge.
An educational reference. Project-specific design requires professional guidance.