Meaning ofhedgehogin English

Noun

1. a small spiny mammal; rolls into a ball for defense
2. a defensive obstacle made of steel rails
3. a spiny animal with a distinctive defense mechanism
   The hedgehog curled into a ball for defense.
4. a military barricade with barbed wire and logs
   A hedgehog barricade was used to block the road.
5. a WWII explosive device (spigot mortar)
   The military used a hedgehog explosive device during the war.
6. a type of Australian chocolate cake
   The bakery sold a delicious hedgehog chocolate cake.