1. unsprung - Adjective
2. unsprung - Verb
Not sprung.
an unsprung trap
the unsprung weight of a vehicle
Not fitted with springs; lacking springs.
unsprung
simple past and past participle of unspring
An inboard location reduces the unsprung weight and eliminates a source of heat transfer to the tires. Source: Internet
The shells were gravity-fed into the breech through a hopper or simple box "magazine" with an unsprung gravity follower on top of the gun. Source: Internet