noun
Seibu (place name or surname)
Used as a geographical name or family name. Not a common vocabulary word.
西武という地名は埼玉県などに見られる。
The place name Seibu can be found in Saitama Prefecture and elsewhere.
noun
Seibu (conglomerate: stores, railway, etc.)
Refers to the Seibu group of companies, including department stores and railways.
西武鉄道は東京と埼玉を結んでいる。
Seibu Railway connects Tokyo and Saitama.
noun
Saitama Seibu Lions (abbreviation)
Common abbreviation for the professional baseball team Saitama Seibu Lions.
西武は今年も優勝を狙っている。
The Lions are aiming for the championship again this year.