Word familyadjectivefourfoldfourscorefourscorthfour-squarenounfourfoldnessfoursomefourballfour-by-fourfour-leaf cloverfour-letter wordfourpencefourpennyfour-wheel drivefour
ˌfour-by-ˈfour, 4x4 noun [countableC]
a vehicle that has four wheels and a four-wheel drive 四轮驱动汽车 → SUV