懂中文 Dong Chinese

鈹

pī, pí

a needle used in Chinese medicine

Evolution

鈹 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
鈹 Clerical script Qin dynasty (221-206 BC)

Clerical script

Qin dynasty (221-206 BC)
Definitions

铍 (鈹) 

pī

a needle used in Chinese medicine; a sword, large knife; beryllium

铍 (鈹) 

pí

beryllium (chemistry)