the highest point of a hill or mountain 顶峰;最高点 ■(figurative)the highest attainable level of achievement (喻)(成就的)顶峰,极点 the dramas are considered to form one of the summits of world literature. 这些戏剧被看作是世界文学的一个顶峰。
a meeting between heads of government 政府首脑会议,最高级会议
summitless adjective 语源
late Middle English (in the general sense 'top part'): from Old French somete, from som 'top', from Latin summum, neuter of summus 'highest'