The blogger Neuroskeptic has created some awesome diagrams explaining the literal meaning behind the names of different parts of the brain. So the "pineal gland" literally means "pine cone gland":
Go to Neuroskeptic's blog over at Discover for more of these awesome diagrams! (Neuroskeptic)
The names sound ridiculous. But that's probably because many brain parts were named before we really had a good idea of what they actually did. So the namers didn't have much to go on.
Check out Neuroskeptic's new post from November 10 for even more brain parts, including a discussion of a brain area whose name translates to "the unimportant thing."
A different blogger, Dr. Charles, has done a similar project for the human body: