Definitions
1.nounA small mammal, of the family Erinaceidae or subfamily Erinaceinae (spiny hedgehog, the latter characterized by their spiny back and often by the habit of rolling up into a ball when attacked.)
2.nounAny of several spiny mammals, such as the porcupine, that are similar to the hedgehog.
3.nounA type of moveable military barricade made from crossed logs or steel bars, laced with barbed wire, used to damage or impede tanks and vehicles; Czech hedgehog.
4.nounA 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.
5.nounA type of chocolate cake (or slice), somewhat similar to an American brownie.
6.nounA form of dredging machine.
7.nounCertain flowering plants with parts resembling a member of family Erinaceidae
8.nounThe edible fungus Hydnum repandum.
9.nounA kind of electrical transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance.
10.nounA way of serving food at a party, consisting of a half melon or potato etc. with individual cocktail sticks of cheese and pineapple stuck into it.
11.verbTo make use of a hedgehog barricade as a defensive maneuver.
12.verbTo array with spiky projections like the quills of a hedgehog.
13.verbTo curl up into a defensive ball.