Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

An aircraft whose support in the air is derived chiefly from the aerodynamic forces acting on one or more rotors turning about substantially vertical axes.

edit
Usage examples (34)
  • "The worst part about the helicopters is they showed I had a bald spot," he said.
  • CH34 before they acquired "Huey" helicopters from the U.S.
  • On March 24, 1970, helicopters from the 170th were sent to extract a
  • The marines were supported by cobra helicopters from the 101st Airborne
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.