verb · to pierce or make a hole using a sharp, pointed tool

他在厚木板上锥了一个眼儿。

noun · a three-dimensional geometric shape that tapers from a base to a point

这个交通标志的形状像个圆锥。

noun · a small pointed tool used for piercing holes in materials like leather or wood

他用一把小锥子在皮带上扎了个孔。