headword

n word forming a heading, eg the first word, in heavy type, of a dictionary entry 首词（标题或起首用的词, 如词典词条中用粗体刊出的第一个词）.

headgear, heading, headlamp, headland, headless, headlight, headline, headlong, headman, headmaster, headmaster, headmistress, headphones, headquarter, headquarters, headroom, headscarf, headship, headstone, headstrong, headway, heady, heal, healer, healing, health, health centre, health farm, health food, health inspector, health service, health visitor, health-care, healthcare, healthful, healthily, healthiness, healthy, heap, hear, hear from,