pinhead
🇺🇸
/ˈpɪnhed/
🇬🇧
/ˈpɪnhed/
The small, flat end of a pin that you push into something.
The tiny pinhead was barely visible on the map, but it marked the location of the hidden treasure.
地图上几乎看不见的小图钉标记着隐藏宝藏的位置。