Definition of Rogallo in English:

Rogallo

noun

Aeronautics
  • 1Attributive Designating a lightweight flexible wing or aerofoil formed of two triangular pieces of fabric or plastic bounded by three rigid poles that meet at a point, and deployed by means of tension lines.

  • 2Also with lower-case initial. A Rogallo wing.

Origin

1960s; earliest use found in Flight International. From the name of Francis Melvin Rogallo, U.S. engineer, and his wife Gertrude S. Rogallo, who invented this kind of wing ( U.S. Patent 2,546,078, filed in 1948, and U.S. Patent 2,751,172).

Pronunciation

Rogallo

/rə(ʊ)ˈɡaləʊ/