noun
policewoman, female police officer
B1
Polizistin means policewoman or female police officer. Feminine noun (die Polizistin) plural Polizistinnen; formed with -innen plural for female. Declension regular for feminine nouns; dative/genitive singular der Polizistin. Masculine counterpart Polizist. Often used to emphasize gender; neutral 'Polizist' may be used generically.
Examples
Eine Polizistin stand an der Kreuzung und regelte den Verkehr.
A female police officer stood at the intersection directing traffic.
Die Polizistin hat den Dieb verhaftet.
The policewoman arrested the thief.
Die Polizistin hilft dem verletzten Mann.
The policewoman is helping the injured man.
Details
Mnemonics
Imagine a woman in a police uniform with a badge labelled 'die Polizistin'.
Sounds like 'police' + 'tin' — think 'police tin' to remember Polizistin = policewoman.
Ends with -in which marks feminine nouns in German; pair that with 'die' (die Polizistin).