What is the name for a rectangular figure of many sides?

Question

What is a polygon where each edge is at a 90 degree or 270 degree angle to the prior edge (giving both concave and convex vertices) called? Here is one example of such a shape:

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|                          |
---                   ------
  |                   |
  |                   |
  |                ----
  |                |
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What is the mathematical name for these kinds of shapes? Would it be rectilinear?

Answer 1

According to Wikipedia these are known as "rectilinear polygons":

http://en.wikipedia.org/wiki/Rectilinear_polygon