I've heard this also called the Soldier's Helmet. -- Blue Wyvern
I've also seen Napoleon's Hat. -- Nico
It is often mentioned as the "pyramid" too. -- ddom
Yes, in Holland we use the term "pyramid".
Robert Pauli: My favorite name for this shape is dead-end four - makes sense in all directions, looks like the street sign (the stem a bit short, though), and clearly gives the message.
(moved from /Discussion page)