lovelock
noun
[ ˈlʌvlɒk ]
• a curl of hair worn on the temple or forehead.
• "men wore frills and finery and let their hair grow into long lovelocks."
Origin:
late 16th century: from love and lock2.
love lock
noun
• a padlock attached to a bridge by a couple as a symbol of their commitment to each other.
• "we put our love lock on the bridge next to the Louvre"
Origin:
1990s: from love and lock1.