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Word of the Day
Tuesday, June 29, 2010

Definitions for yaw

  1. To move unsteadily; weave.
  2. To deviate temporarily from a straight course, as a ship.
  3. (Of a vehicle) to have a motion about the vertical axis.

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Citations for yaw
Test pilot Joseph A. Walker flew the X-15 an estimated 28 miles high Thursday, testing a new way to curb the rocket plane's tendency to yaw as it plunges back from the edge of space. , "X-15 Flight Tests Tighter Yaw Control", Milwaukee Journal, 1962
Now to this hand, now to that, he yawed in his faltering flight, and still at every billow that he broke, he spasmodically sank in the sea, or sideways rolled towards the sky his one beating fin. Herman Melville, Moby Dick, or The Whale
Origin of yaw
Yaw migrates to English from the Old Norse jaga, "to drive, chase."