Meanings
a parking space between two parked cars (or other obstacles) as on the side of a street
any vacant parking space (but mostly used only when it is hard to find one)
parking space
Mit einem Kleinstwagen passt man so gut wie in jede Parklücke.
Examples
GermanEnglish
Das Auto wird in die Parklücke passen.The car will fit into the parking place.
Er fuhr rückwärts in die Parklücke.He backed into his parking space.