I am not the greatest at graphic design, but here's an icon concept:
I hereby release this into the public domain. If someone can improve it, please do; here's the SVG: https://dl.dropboxusercontent.com/u/8205354/Interpersonal%20StackExchange%20Icon.svg
There is one. It's right here:
That being said, calling it "meta" and then having the link say "Feedback" is... suboptimal.
It is intentional, based on a few MSE questions:
What do they mean by feedback
Provide link to meta for new users
You have encountered the effects of interface updates without matching instruction updates.
The look and feel has been very recently updated, and the text in various messages, and help pages has not been changed to match yet.
To get to Meta from anywhere else on this site (Interpersonal Skills) there are two easy options. 1: In the top-left corner is the ...