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.)

(military) To make use of a hedgehog barricade as a defensive maneuver. / To array with spiky projections like the quills of a hedgehog. / (transitive, intransitive) To curl up into a defensive ball.

present participle of hedgehog

simple past tense and past participle of hedgehog

plural of hedgehog

Third-person singular simple present indicative form of hedgehog

plural of Czech hedgehog

(archaic) sea urchin

plural of sea hedgehog

Erinaceus europaeus, the hedgehog that inhabits much of Western and Central Europe.