whorl/wɜ:l; ?@ hw-; hwəl/ n1 one turn of a spiral （一圈）螺纹.2 complete circle formed by the ridges of a fingerprint （指纹的）涡.3 ring of leaves, petals, etc round the stem of a plant 轮生体（环生於植物茎部的叶、 花瓣等）.
牛津英汉双解词典