Sumatra

noun3

1. •
   The largest island entirely in Indonesia and the world’s sixth largest island.
2. •
   A chicken of a breed native to the island of Sumatra, formerly used in cock-fighting and now mainly kept for exhibition.
3. •
   (Singapore) A squall or violent rainstorm coming from the south.

   • In the Straits of Malacca one encounters a squall every night; there they are known by the name of Sumatras, crossing as they do from the island bearing that name. — 1887