Tonyw, it just does. one of those quaint names that yokels give to things. In this case I think it is what scottish peasants call a daddy longlegs. google will confirm I expect.
aristo, Is jenney a term used by the cognoscenti or simply the American way of spelling jenny? I thought you knocked letters off, not add them on. Anyway, you are right, I would definitely stand by if my ass got pregnant. er, you know what I mean.