donaciform
/dɒnˈæsɪfɔːrm/Definitions
1. adjective
Relating to or resembling a donacium, a type of ancient Roman coin
“The archaeologist carefully examined the donaciform artifacts found at the excavation site.”
2. noun
A type of ancient Roman coin or a donacium
“The historian studied the various types of donaciform coins used during the Roman Empire.”