The term "wing" has several meanings, depending on its context.
1) In biology and anatomy, a wing is one of two specialized appendages used for flight in birds and some insects. It can also refer to any organ or part that resembles the structure of wings in other animals such as bats, or even plants like butterflies.
2) In aviation, "wing" refers to a plane's main structural component that supports its body and holds its engines. The wing is typically divided into three parts: the outer wing, the inner wing, and the center section.
3) Figuratively, "to have wings" means to be able to fly or travel freely, often used in expressions such as "my dreams can take me anywhere with wings."