Stool/stuːl/ Definition 1 of 3Pro Tip 1/3Furniture Item Used for sitting in casual settings like bars or kitchens. He sat on a high stool at the bar, sipping his drink. Pro Tip 2/3Symbol of Simplicity Stool implies simplicity, often without the comfort of chairs with backs. The artist preferred a simple stool to a fancy chair in her studio. Pro Tip 3/3Temporary Seat Suggests a temporary or quick sitting situation. I grabbed a stool for a quick rest between dance sets.