sands noun 3phrases 1 noun3 •an expanse of sand, as in a desert or on a sandy seashore.We were lost in the sands of Arabia. •(figurative) a unit of time.The sands of a lifetime are rapidly running out. •sand grains, especially in reference to the contents of an hourglass, from which Phrases with sands plow the sandsto spend considerable time and effort to do something useless; to waste time