cruis·er·weight 
(krzər-wāt′)
(krzər-wāt′)n.
1. A weight division in professional boxing having an upper limit of 200 pounds (90.7 kilograms), between light heavyweight and heavyweight.
2. A boxer competing in this weight division. In both senses also called junior heavyweight.
[Possibly after the cruiser, warship, the second heaviest warship.]