The Collaborative International Dictionary of English v.0.48:

Malta \Malta\ n.
   1. A country on the island of Malta.
      [WordNet 1.5]

   2. An island south of Sicily in the Mediterranean Sea.
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

Malta
    n 1: a republic on the island of Malta in the Mediterranean;
         achieved independence from the United Kingdom in 1964 [syn:
         Malta, Republic of Malta]
    2: a strategically located island to the south of Sicily in the
       Mediterranean Sea