Urchin

Definition:

(n.) A hedgehog.
(n.) A sea urchin. See Sea urchin.
(n.) A mischievous elf supposed sometimes to take the form a hedgehog.
(n.) A pert or roguish child; -- now commonly used only of a boy.
(n.) One of a pair in a series of small card cylinders, arranged around a carding drum; -- so called from its fancied resemblance to the hedgehog.
(a.) Rough; pricking; piercing.

Compare urchin with other words:

urchin vs. urchon