a flight in which the aircraft pilot is unaccompanied | travel via aircraft |
any activity that is performed alone without assistance | a distinctive but intangible quality surrounding a person or thing |
a musical composition for one voice or instrument (with or without accompaniment) | a succession of notes forming a distinctive sequence |
| medium for radio and television broadcasting |
| the region above the ground |
| the mass of air surrounding the Earth |
| a slight wind (usually refreshing) |
| a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of |
| once thought to be one of four elements composing the universe (Empedocles), associated with the humour blood |