from The Century Dictionary and Cyclopedia
- n. One of a pair of plates, usually made of cast-iron, which support a car-body on the center of a truck.
- n. One of the metal plates fastened to the ends of jointed patterns to furnish a suitable bearing for the lathe-centers and to hold the pattern together while it is being turned.
Sorry, no etymologies found.
But I love venison. backstrap stands alone very nicely as a center-plate item, and ground venison makes about the best chili I’ve ever had.