Source : Webster's Revised Unabridged Dictionary (1913)

Sea wormwood \Sea" worm"wood`\ (Bot.)
   A European species of wormwood ({Artemisia maritima}) growing
   by the sea.

Source : WordNet®

sea wormwood
     n : plants of western and northern European coasts [syn: {Seriphidium
         maritimum}, {Artemisia maritima}]