rogallo

noun plural -los

a flexible fabric delta wing, originally designed as a possible satellite retrieval vehicle but actually developed in the 1960s as the first successful hang-glider

Word Origin for rogallo

C20: after Francis M. Rogallo (born 1912), the US engineer who designed it

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012