noun
also prince rupert's drop
Usage: usually capitalized P&R
Etymology: after Prince Rupert of Germany died 1682 who first brought it to England
: rupert's drop
noun
also prince rupert's drop
Usage: usually capitalized P&R
Etymology: after Prince Rupert of Germany died 1682 who first brought it to England
: rupert's drop
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012