head.word
n.(名词)A word, phrase, or name, usually set in boldface or other distinctive type, that serves as the heading for an entry in a dictionary, an encyclopedia, or a similar reference work.Also called entry word 标题词:作为字典、百科全书或类似参书中词条标题的通常印为黑体或其它特别字体的词、词组或名字也作 entry wordLinguistics A word that may be modified by an adjunct.【语言学】 可以被一个修饰语修饰的词