单词：headwords
音标：[ˈhedwə:dz] ；
n. 标题字, 中心词( headword的复数形式 )
n. a content word that can be qualified by a modifier
n. a word placed at the beginning of a line or paragraph (as in a dictionary entry)
n. a word placed at the beginning of a line or paragraph (as in a dictionary entry)