·adj Rough; pricking; piercing.
II. Urchin ·noun A sea urchin. ·see Sea urchin.
III. Urchin ·noun A Hedgehog.
IV. Urchin ·noun A pert or roguish child;
— now commonly used only of a boy.
V. Urchin ·noun A mischievous elf supposed sometimes to take the form a hedgehog.
VI. Urchin ·noun 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.