The joints between two or more pieces of timber are described under six major headings, in an attempt to make the descriptions systematic, since a diversity of usage is current.
see also Butt joint
Subsidiary terms
c*) Halved joint e) Dovetail f) Secret notched-lap joint g) Lap dovetail
h) Notched-lap joint with refined entry i) Notched-lap with simple entry j) Bare-faced dovetail k) Slip tenon
h) Notched-lap joint with refined entry i) Notched-lap with simple entry j) Bare-faced dovetail k) Slip tenon
a) Face-halved scarf b) Side-pegging c) Peg d) Face-pegging e) Face
f) Splayed scarf g) Side h) Side-halved i*) Vertical butt j) Face-halved and bladed scarf
k) Squinted butt inside halved scarf l) Undersquinted butt in halved scarf m) Sallied butt
n) Through-splayed and tabled scarf (Trait de Jupiter) p) Side-halved and bridled scarf
q) Stop-splayed scarf r) Key s) Stop-splayed scarf with bridled butts and face key
t) Stop-splayed and tabled scarf with key u) Through-splayed and tabled scarf with face key
v) Stop-splayed and tabled scarf with sallied and undersquinted butt, internal tongues and key
a) Half beam b) Cross joisting c) Scribed joist d) Cogged joist e) Cogged joist with diminished shoulder (squinted butt)
f) Bracket g) Applied beam h) Lodged joist i) Trimmer j) Barefaced soffit tenon with diminished shoulder (diminished haunch)
k) Central tenon l) Bare-faced soffit tenon with housed shoulder m) Bare-faced soffit tenon with spurred shoulder n) Double soffit tenons with diminished shoulders
p) Tusk tenon q) Tusk r) Central tenon with spurred soffit (soffit spur) s) Central tenon with housed soffit shoulder