A person, a guy, especially seen as naïve or simple.
Jasperware pottery.
An opaque, impure variety of quartz, of red, yellow, and other dull colors, breaking conchoidally with a smooth surface.
A wasp.
To decorate with, or as if with, jasper.
A very virile and sexually-inclined man or (rarely) woman.
Specifically, one that is uncastrated.
A male horse kept primarily as a stud.