A small European insectivore (Erinaceus Europaeus), and other allied species of Asia and Africa, having the hair on the upper part of its body mixed with prickles or spines. It is able to roll itself into a ball so as to present the spines outwardly in every direction. It is nocturnal in its habits, feeding chiefly upon insects.
The Canadian porcupine.
A species of Medicago (M. intertexta), the pods of which are armed with short spines; -- popularly so called.
A form of dredging machine.
A variety of transformer with open magnetic circuit, the ends of the iron wire core being turned outward and presenting a bristling appearance, whence the name.
I hate the hand that comes out of a car and just drops litter in the street. I hate that! For some reason, it just fills me with fury! It's just utter laziness, lack of interest in other people, lack of interest in the planet, in the hedgehog who might eat the plastic bag, it's a lack of concern. Joanna Lumley
The fox has many tricks. The hedgehog has but one. But that is the best of all. Ralph Waldo Emerson
If somebody thinks they're a hedgehog, presumably you just give 'em a mirror and a few pictures of hedgehogs and tell them to sort it out for themselves. Douglas Adams
An aphorism ought to be entirely isolated from the surrounding world like a little work of art and complete in itself like a hedgehog. Karl Wilhelm Friedrich Schlegel
Some persons think that they have to look like a hedgehog to be pious. Billy Sunday