

hedgehogs
/ΛhΙdΚhΙΙ‘z/ /ΛhΙdΚhΙΙ‘z/
noun



noun
A spigot mortar-type of depth charge weapon from World War II that simultaneously fires a number of explosives into the water to create a pattern of underwater explosions intended to attack submerged submarines.





noun
A kind of electrical transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance.




