The Collaborative International Dictionary of English v.0.48:
Sea wormwood \Sea" worm"wood`\ (Bot.) A European species of wormwood (Artemisia maritima) growing by the sea. [1913 Webster]WordNet (r) 3.0 (2006):
sea wormwood n 1: plants of western and northern European coasts [syn: sea wormwood, Seriphidium maritimum, Artemisia maritima]