1. A weight class division in combat sports, for fighters heavier than those in the welterweight division and lighter than those in the middleweight division
   "The boxer struggled to make the light middleweight limit"
    
2. An amateur boxer who weighs no more than 156 pounds
   "The light middleweight contender showcased his speed and agility in the ring"

Derived forms: light middleweights

Type of: boxer, pugilist, weight class

Encyclopedia: Light middleweight