noun🔗ShareA pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric."The store was selling mattresses at a discounted price for the holiday weekend. "materialitembuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareA form of retaining wall used to support foundations or an embankment"To prevent the riverbank from eroding, construction workers laid down interconnected mattresses of rock and wire. "architecturebuildingmaterialChat with AIVocabulary GamePractice Reading
