| 1. | the design and coordination of the decorative elements of the interior of a house, apartment, office, or other structural space, including color schemes, fittings, furnishings, and sometimes architectural features. |
| 2. | the art, business, or profession of executing this. |
| interior decoration n. The planning and execution of the layout, decoration, and furnishing of an architectural interior. Also called interior design. interior decorator n. |