丈八蛇矛

zhàng bā shé máo

ancient spear-like weapon 18 Chinese feet 尺[chi3] in length, with a wavy spearhead like a snake's body

丈

zhàng

measure of length, ten Chinese feet (3.3 m)

八

bā

eight

蛇

shé

variant of 蛇[she2]

矛

máo

spear