type of framework shaped like the capital letter "A," by 1889; as a type of building construction in this shape from 1932.
updated on August 10, 2019
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。