Cal‧der, Al‧ex‧an‧der /ˈkɔːldəʳ, ˌælɪɡˈzɑːndəʳ $ -ˈzæn-/
(1898–1976) a US
sculptor best known for his large outdoor works of art found in many cities, and for his large
mobiles (=decorations made of objects tied to wires or string which move when air blows around them) [TahlilGaran] Dictionary of Contemporary English ▲