ježek

Etymology
From.

Noun

 * 1) hedgehog mammal
 * 2) sea urchin marine animal
 * 3)  prickly person
 * 1)  prickly person

Noun

 * 1) thing similar to a hedgehog, e.g.:
 * 2) burdock fruit
 * 3) pigtail combed so that it sticks up
 * 4) kitchen pastry studded with almonds
 * 5)  spiked roller for crushing clods of dirt
 * 6)  spiked roadblock used in field fortification

Declension
when inanimate:

when animate: