to lay at ease is a form of:

Bantamweight



noun
1.
(A boxer or other contestant intermediate in weight between a flyweight and a featherweight) កីឡាប្រដាល់ឬកីឡាបោកចំបាប់ទម្ងន់ស្រាលចន្លោះ៥២ ទៅ ៥៧ គីឡូក្រាម