会社(かいしゃ)

会社(かいしゃ) means company or corporation, and also refers to one's workplace.

KANJI:
会(かい) (meeting) + 社(しゃ) (shrine/company) - an organization where people meet to work.

COMMON EXPRESSIONS:

• 会社(かいしゃ)に行(い)く: to go to work (lit. "go to the company")
• 会社(かいしゃ)を辞(や)める: to quit one's job
• 会社(かいしゃ)に入(はい)る: to join a company

RELATED WORDS:

• 会社員(かいしゃいん): company employee, office worker
• 株式(かぶしき)会社(がいしゃ): stock company (often abbreviated as 株(かぶ))
• 有限(ゆうげん)会社(がいしゃ): limited company

USAGE:
会社(かいしゃ)に行(い)く can mean both "going to the company (building)" and "going to work" depending on context.