<p><strong>Noun</strong></p><ul><li>something that flies, such as a bird or insect.</li><li>an aviator or pilot.</li><li>an airplane passenger, especially one who travels regularly by air.</li><li>a person or thing that moves with great speed.</li><li>some part of a machine having a rapid motion.</li><li>a small handbill; circular.</li><li>Informal: a flying jump or leap (e.g., "He took a flier off the bridge").</li><li>Informal: a risky or speculative venture (e.g., "Our flier in uranium stocks was a disaster").</li><li>one of the steps in a straight flight of stairs.</li><li>a trapeze artist; aerialist.</li><li>a silvery-green sunfish, <em>Centrarchus macropterus</em>, found from Virginia to Florida and through the lower Mississippi valley.</li></ul>