Used 1) of a doorhead or 2) of a timber, with a pronounced change of angle, especially of a tiebeam or collar higher at its centre than at its ends (sometimes called canted, not recommended)
A) Base cruck B) Spere truss C) Secondary truss D) Raised cruck E) Upper cruck
a) Wall plate b) Cusp c) Cusped windbrace d) Ridge piece (ridge purlin) e) Principal rafter f*) Plate g) Purlin h) Cranked tiebeam l) Ceiling beam