1. a wooden platform or floor, especially one built outdoors
2. wooden planks or boards used to construct a deck

1. present participle of deck: to furnish with a deck or to decorate

Examples

• We installed new decking in the backyard last summer.
• The composite decking requires less maintenance than wood.
• They’re decking the halls with holiday decorations.
• The ship’s decking was slippery from the rain.
• We need to stain the decking before winter.
• The contractor is decking out the patio with railings.
• Pressure-treated decking lasts longer outdoors.