zamek

In a sentence

• Mój zamek jest położony nad rzeką.

  My castle is located by the river.

  In this sentence, the word 'zamek' means 'castle', referring to a historical or residential building.

• Zamek w mojej kurtce się zepsuł.

  The zipper on my jacket broke.

  Here, 'zamek' refers to a 'zipper', a fastening device commonly used in clothing.

• Muszę zamknąć zamek na drzwiach.

  I need to lock the lock on the door.

  In this example, 'zamek' is used to mean 'lock', a security device for doors.