What does flying fish mean in cooking?

flying fish means: The fish is a rare delicacy in Japan and the West Indies. It gains speed underwater, then exits the water with the exception of the lower lobes of its tail. The fish then beats vigorously with its tail and extends its ventral fins, allowing it to fly for at least 1,000 feet. (in Cooking Dictionary)

What else does flying fish mean?

• One of many marine fishes belonging to the Exocoetidae family, with winglike, pectoral fins that can sustain them during a brief, glide-like flight above the water. (in Merlin Dictionary)