Examples from the Web for coupler
The joints of these rings are sealed by means of an H-shaped coupler of bronze which closes the opening.Aviation Engines|Victor Wilfred Pag
An excess of coupler in the bath does no harm, but a deficiency may lead to poor and weak shades being developed.The Dyeing of Cotton Fabrics|Franklin Beech
A coupler has been made in which this danger no longer exists; in truth, there has been a great advance in this direction.Up To Date Business|Various
It makes Christ mine; it links my soul with His, as the coupler binds the locomotive to the loaded train.
Why, I remember when a coupler Turks 'elped in the good work one mornin'.Eastern Nights - and Flights|Alan Bott