Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Multi-word Results
kill two birds with one stone to meet two goals with one action.
leave no stone unturned to use every means possible; consider every choice.
Stone Age the stage of human culture when stone tools and weapons were made and used. The Stone Age dates from about two million B.C. to about 3,500 B.C.