scissors for cutting hair or finger nails (often used in the plural)

an edge tool having two crossed pivoting blades

Two corresponding persons or items, similar in form or function and matched or associated, A single thing composed essentially of two pieces or parts which are used only in combination and named only in the plural_ as, a pair of scissors, trousers, or spectacles, A married couple; in general, two mated animals of any kind, intransitive verb_ Same as To pair off. See phrase below, To combine or join (one person or thing) with another to form a pair, To arrange in sets of two; couple, transitive verb_ To unite in couples; to form a pair of; to bring together, as things which belong together, or which complement, or are adapted to one another, obsolete To impair