The act of working into dough. Kneading- trough, a trough or tray in which dough is worked or mixed.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
The act of one who kneads.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)

Usage examples:

The process he underwent, called Romy, consisted of squeezing and kneading from head to foot, more especially about the parts affected.
- The Life of Captain James Cook by Arthur Kitson
The autobath kept on kneading him.
- Tangle Hold by F. L. Wallace
More flour and a skillful twirl or two of the lump and the process of kneading was begun.
- An Alabaster Box by Mary E. Wilkins Freeman and Florence Morse Kingsley