Any of several spiny mammals, such as the porcupine, that are similar to the hedgehog.
A small mammal, of the family Erinaceidae or subfamily Erinaceinae (spiny hedgehogs, the latter characterized by their spiny back and often by the habit of rolling up into a ball when attacked.)
A type of chocolate cake (or slice), somewhat similar to an American brownie.
A form of dredging machine.
A 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.
Medicago intertexta, the pods of which are armed with short spines.
Retzia capensis of South Africa.
A kind of electrical transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance.
A type of plane curve; see Hedgehog (geometry).
The edible fungus Hydnum repandum.
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.
To array with spiky projections like the quills of a hedgehog.
To curl up into a defensive ball.
To make use of a hedgehog barricade as a defensive maneuver.
The third compartment of the stomach of a ruminant; the lining of said compartment, regarded as a foodstuff.