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Mon·tan·a(mŏn-tăn′ə) Abbr. MT or Mont.
A state of the northwest United States bordering on Canada. It was admitted as the 41st state in 1889. Most of the area passed to the United States through the Louisiana Purchase of 1803 and was explored by Lewis and Clark in 1805 and 1806. Split for many years among other western territories, the region was organized as the Montana Territory in 1864. Helena is the capital and Billings the largest city.
Mon·tan′an adj. & n.
(Placename) a native or inhabitant of Montana
(Placename) of or relating to Montana or its inhabitants