Mid 18th century; earliest use found in Richard Brookes (fl. 1721–1763), physician and author. From post-classical Latin pelviformis from classical Latin pēlvis shallow bowl or basin + -formis.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。