lollipop man
(fem 陰性作 lollipop woman, lollipop lady), (Brit infml 口) person who carries a circular sign marked `Stop! Children Crossing' as a warning to traffic to stop, allowing children to cross a busy road, esp on their way to and from school 兒童過路輔導員(持圓形指示牌, 有`停車! 兒童過路'字樣, 尤於上學、 放學時間值勤者).