I always thought it was just because of the general wedge-like shape
and it's resemblance to a frog sitting. In fact the term "frog" is not
too uncommon to describe similarly shaped parts in various tools and
machinery besides planes.
I must say, though, that when I read the subject line of your post,
the first thing I thought was that this was an OT post with a joke
about a frog on an airplane.
RicodJour (in email@example.com)
| Hmmm. Good point. Free bag of planer chips (great lightly
| salted!) to the person who comes up with the best punch line.
... and then the wings fell off because there weren't enough ribbits.
DeSoto, Iowa USA
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