An English gold coin equivalent to thirty shillings, coined in the reign of James I and having the figure of a rose on one side.
Early 17th century; earliest use found in Fynes Moryson (?1566–1630), traveller and writer. From rose + rial. Compare earlier rose royal.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。