What is Pacific?

Pacific definition and meaning on Dictionary terms:
tending to make or preserve peace; conciliatory: pacific overtures.
not warlike; peaceable; mild: a pacific disposition.
at peace; peaceful: a pacific era in history.
calm; tranquil: The Wabash is a pacific river.

(initial capital letter) of or relating to the Pacific Ocean.
(initial capital letter) of or relating to the region bordering on the Pacific Ocean: the Pacific states.

noun (initial capital letter)
Pacific Ocean.
a steam locomotive having a four-wheeled front truck, six driving wheels, and a two-wheeled rear truck.