[Extraordinary], very strange, wonderful.
[Keel], the bottom part of a ship or boat.
[Astounding], astonishing, wonderful.
[Oarstroke of the curragh], about 20 feet.
[Circumference], the whole round.
[Extending], stretching.
[Meshes], the open spaces between the threads of a net.
[Reconcile], to become friends again, to come back to friendship.