The phrase "chair legs" refers to the parts of a chair that give it support and stability. It means the four or more long, usually vertical pieces of wood or metal attached to the bottom of a chair, allowing it to stand upright. Full definition
Position your blocks about where you placed the front pair of chair legs; you may need to experiment a bit to find just the right spot. (yogajournal.com)
I've painted chair legs chalk white and wanted to antique them. (canarystreetcrafts.com)
My puppy lost one of those little upper teeth at the front while chewing a metal chair leg and trying to get up at the same time. (professorshouse.com)