'Baku' definitions:

Definition of 'Baku'

From: WordNet
noun
A port city on the Caspian Sea that is the capital of Azerbaijan and an important center for oil production [syn: Baku, capital of Azerbaijan]

Definition of 'Baku'

From: GCIDE
  • Baku \Baku\ prop. n. (Geography) The capital city of Azerbaijan. Population (2000) = 1,713,300. [PJC]