Definitions
1.nounThe top stone of an arch.
2.nounSomething on which other things depend for support.
3.nounA native or resident of the American state of Pennsylvania.
4.noun(retail) A retail price that is double the cost price; a markup of 100%.
5.nounThe combination of the shortstop and second baseman.
6.verbTo distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid.
7.verb(retail) To double the cost price in order to determine the retail price; to apply a markup of 100%.