Refers to the act of stretching or spreading something, often used in contexts like dough, fabric, or physical extension.
The bread dough hasn't been stretched enough.
I had the suit pressed at the dry cleaner's.
Make the stretching of the cloth even.
He can swim long distances using the sidestroke.
伸し is another name for the sidestroke.
He can swim long distances using the sidestroke.
Derived from the verb 伸す (のす, 'to stretch, spread'). The swimming sense likely comes from the stretching motion of the stroke.