Collins Chinese Dictionary Plus (3rd edition), 2011:
雷
léi 名
1
(=雷电) thunder
- 雷电(電) léidiàn thunder and lightning
- 电(電)闪(閃)雷鸣(鳴) diàn shǎn léi míng thunder and lightning
2 (=武器) mine
- 鱼(魚)雷 yúléi torpedo