A device used for picking up objects, consisting of two long pieces joined at one end and pressed together at the other end in order to hold an object between them. (Cambridge Dictionary)
An instrument with two movable arms that are joined at one end, used for picking up and holding things. (Oxford Dictionaries)
Tongs re a tool that you use to grip and pick up objects that you do not want to touch. They consist of two long narrow pieces of metal joined together at one end. (Collins Dictionary)
Tongs – Wikipedia.
Tongs in Tools topic. Longman.