thrusting

1. The motion by which someone or something thrusts.

2. (dialectal, obsolete, rare)The act of squeezing curd by hand, to expel the whey.

3. (dialectal, obsolete, rare)The white whey, or that which is last pressed out of the curd by the hand, and of which butter is sometimes made.

   a. 1802, quoted in The Domestic Encyclopedia

   In the process of making whey butter,..the ‘thrustings’, or white whey, is set in ‘cream mugs’, to ‘carve’, and acidulate for churning.

regular