cruis ‧ ing /ˈkruːzɪŋ/ BrE AmE noun [uncountable]
1 . the activity of taking a holiday on a cruise ship
2 . American English when young people drive cars slowly down a particular street as a way of being with their friends:
a sign saying ‘No cruising’
3 . when someone looks for sexual partners in bars, restaurants, on the street etc