Search Result for "mid-atlantic ridge":
Wordnet 3.0

NOUN (1)

1. a very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic; 



WordNet (r) 3.0 (2006):

Mid-Atlantic Ridge
    n 1: a very long narrow elevation on the ocean floor that runs
         all the way from Iceland in the North Atlantic to Bouvet
         Island in the South Atlantic