Definition of 「䮔」:
1. A small horse.
"A small horse form." (from "Shuowen Jiezi • Horse Section")
2. A horse burdened and difficult to walk.
"A heavily ridden horse." (from "Yupian • Horse Section")
"Also describes the appearance of a small horse walking." (from "Jiyun • Zhi Rhyme")
3. A pony.
"A young horse is referred to as 䮔." (from "Jiyun • Zhi Rhyme")