WordReference Random House Unabridged Dictionary of American English © 2026
ob•sid′i•o•nal coin′
(əb sid′ē ə nl).USA pronunciation
- CurrencySee siege piece.
- Latin obsidiōnālis of a siege, equivalent. to obsid(ēre) to besiege + -iōn- -ion + -ālis -al1
- 1800–10
'obsidional coin' also found in these entries (note: many are not synonyms or translations):