noun
: a Spanish piece of eight or dollar having a round hole in its center, bearing the denomination 5 shillings, and current in Australia 1813-29 — called also colonial dollar, pierced dollar, ring dollar
noun
: a Spanish piece of eight or dollar having a round hole in its center, bearing the denomination 5 shillings, and current in Australia 1813-29 — called also colonial dollar, pierced dollar, ring dollar
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012