NOUN (2)

1. general who commanded the Carthaginian army in the second Punic War; crossed the Alps and defeated the Romans but was recalled to defend Carthage and was defeated (247-182 BC);

2. a town in northeast Missouri on the Mississippi River; boyhood home of Mark Twain;

WordNet (r) 3.0 (2006):

Hannibal
    n 1: general who commanded the Carthaginian army in the second
         Punic War; crossed the Alps and defeated the Romans but was
         recalled to defend Carthage and was defeated (247-182 BC)
    2: a town in northeast Missouri on the Mississippi River;
       boyhood home of Mark Twain