1) An early spelling of stoop.
1454 Et in mercede Johannis Stede carpentarij ponantis unum stulpum in Walmegate, York
1490 the wyff of the said Richard Wryght [ought to knell] next to the stulp of the said fourem end, Kirkburton
1579 Thomas Hirste … shall make a newe gate and new stulpes at the water side, Dewsbury. It apparently gave rise to a by-name, possibly an uncomplimentary nickname: 1333 ‘William Stulp was seised of a moiety of a bovate in Thornes’
c.1344 ‘Thomas Stulppe of Catthal’, Hunsingore.