Long and usually straight timber, halved across other timbers, especially running from a wall post or aisle post across the tiebeam to the opposing rafter
A*) Applied jetty B*) End jetty C) Storeyed construction
c*) Storey post e) Passing braces f) clasped wall plate held by g) Doubled tiebeam h) Short knee principal i) Head plate j*) Jetty spur