A heraldic <a href="//commons.wikimedia.org/wiki/File:Cross-Pattee-Heraldry.png" title="File:Cross-Pattee-Heraldry.png">cross pattée</a> with convex curved ends (here arcs of an enclosing circle).  Sometimes called "alisee" (French <i>croix pattée alésée arrondie</i>).
Vectorization of <a href="//commons.wikimedia.org/wiki/File:Cross-Pattee-Alisee.png" title="File:Cross-Pattee-Alisee.png">Image:Cross-Pattee-Alisee.png</a> by AnonMoos; initial SVG file version uploaded by Melian.
<p>SVG version of <a href="//commons.wikimedia.org/wiki/File:Cross-Pattee-Alisee.png" title="File:Cross-Pattee-Alisee.png">Image:Cross-Pattee-Alisee.png</a>
</p><p>Converted from the following PostScript code:
</p>
<pre>%!
30 30 translate
.9 dup scale
/Alisee-arm{
300 -82.459968 352.459968 140 40 arcn
300 300 311.778393 -30.002943 30.002943 arc
300 682.459968 352.459968 320 220 arcn
300 300 311.778393 149.997057 210.002943 arc
closepath fill}def
Alisee-arm
600 0 translate
90 rotate
Alisee-arm
showpage
%EOF</pre>