navigable semicircle


nounNautical.
  1. the less violent half of a cyclone; the half blowing in the direction opposite to that in which the cyclone is moving and in which a vessel can run before the wind.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use navigable semicircle in a sentence

  • Left or navigable semicircle,—Steam and sailing vessels: Bring the wind on the starboard quarter, note the course and hold it.

    Wind and Weather | Alexander McAdie
  • The ship a has the wind at east-northeast; she is to the left of the storm track, or technically in the navigable semicircle.

    Meteorology | Charles Fitzhugh Talman