单词	octagonal
释义	octagonoctagon /ˈɑktəˌgɑn/ noun [countable] Etymology ETYMOLOGYoctagon Origin: 1500-1600 Latin octagonum, from Greek, from okta- eight + -gonon -gon math, geometry a flat shape with eight sides—octagonal /ɑkˈtægənl/ adjective:  an octagonal room
随便看	catering caterpillar caterwaul catfight catfish catgut catharsis cathartic cathedral Catherine II Cather, Willa catheter catheterize cathode cathode ray tube Catholic catholic Catholicism catholicity cation catkin Catlin, George cat litter catnap cat nap

英语词典包含48224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。