Thanks, Paul, much appreciated. The general meaning of the song was clear from the beginning, of course, but I may want to include this song in a show I'm planning, so every word in every line has to have a clear meaning. So, just to claify, any other thoughts on the meaning of ...
Wethergig (is she really going to have a square toy windmill?)
"But some calls her Midsummer" Why Midsummer?
"Peg, thee and Ise grin(d) A POKE, and we to Work will LEANES" grind a poke? Leanes to work?
"When twa sit, and eane stand" When you sit and I stand? When two sit and one stands?
"Betwixt twa rough steans Peggy not to learn" What does "not to learn" mean?