What does the word spiral mean?

Usage examples for spiral

  1. Certain trees depend for the spread of their kind on seeds equipped with spiral wings that when they fall they may reach the ground outside the shadow of the parent tree and so have a chance to grow into wide- spreading trees. – The French in the Heart of America by John Finley
  2. Now they picked up the spiral of smoke from the camp- fire, and direction was promptly changed towards it. – The Heart of Unaga by Ridgwell Cullum
  3. Their colors are dirty yellow and gray- green, and when not feeding, they rest on the under side of the leaf, curled up in a spiral manner, the tail occupying the centre, and fall to the ground at the slightest disturbance. – Success With Small Fruits by E. P. Roe

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