The phrase "spacious backyard" means a large and open outdoor area behind a house where you have plenty of room to play, relax, or have gatherings. Full definition
Very spacious backyard with cemented patio area. (gobhg.com)
Smart Spender Spacious backyard decks, travel deals for all seasons, roadworthy muscle cars, and more (moneysense.ca)
Open Concept Floor Plan Features Living / Dining Room Combination, Upgraded Eat - In Kitchen W / Granite Counters & W / O To Spacious Backyard W / Oversized Deck; Great Room W / 9Ft Ceilings, Hardwood Floor & Gas Fireplace. (michellemakos.com)