autogiro

noun
au·​to·​gi·​ro | \ ˌȯ-tō-ˈjī-(ˌ)rō How to pronounce autogiro (audio) \
variants: or autogyro
plural autogiros

Definition of autogiro

: a rotary-wing aircraft that employs a propeller for forward motion and a freely rotating rotor for lift

Illustration of autogiro

Illustration of autogiro

Examples of autogiro in a Sentence

Recent Examples on the Web

Gyrocopters: 1939 to 1940s The autogiro, a single-person helicopter-ish vehicle, was invented in the early 1920s by a Spanish engineer named Juan de law Cierva. Popular Mechanics Editors, Popular Mechanics, "12 Geeky Ways to Deliver Mail: U.S. Postal Service Technology Through the Ages," 18 Jan. 2019 The Autogyro Spanish engineer Juan de la Cierva invented and first flew his autogiro in Madrid in January 1923. Alex Davies, WIRED, "The Machines We Took From Our Former Colonial Overlords and Made Better," 3 July 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'autogiro.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of autogiro

1907, in the meaning defined above

History and Etymology for autogiro

from Autogiro, a trademark

Keep scrolling for more

Learn More about autogiro

Statistics for autogiro

Last Updated

27 Jan 2019

Look-up Popularity

Time Traveler for autogiro

The first known use of autogiro was in 1907

See more words from the same year

More from Merriam-Webster on autogiro

Britannica.com: Encyclopedia article about autogiro

Comments on autogiro

What made you want to look up autogiro? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a shady place in a garden or forest

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!