NOUN (2)

1. an atoll in the Marshall Islands; site of an amphibious assault in World War II; later used temporarily by the United States to test atomic bombs;

2. World War II (February 1944); American infantry landed and captured a Japanese stronghold;

WordNet (r) 3.0 (2006):

Eniwetok
    n 1: an atoll in the Marshall Islands; site of an amphibious
         assault in World War II; later used temporarily by the
         United States to test atomic bombs
    2: World War II (February 1944); American infantry landed and
       captured a Japanese stronghold