A spine is a rigid, pointed surface protrubance, sometimes used to provide a defensive mechanism against attack. For example, the quills of a porcupine, the needles of a cactus, or the thorns of a shrub. They can contain poisons, some of which can cause paralysis.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... Dias, (1450-1500), Portuguese explorer who first rounded the Cape of Good Hope.
Sir Francis Drake, (c. 1540-1596), pirate, leader of the second ...