A finale; something that is conclusively better, or "caps it all off".
A person who caps i.e. is inclined to untruth, a fibber.
A device or person that applies caps, as to bullets or bottles.
A person who records a television broadcast to their computer.
A person that makes or sells caps.
Something that prevents the completion, or ends the existence, of a project etc.; a fatal setback.
A strike or blow that leads to death, especially a coup de grace.