Trapezium or pisiform

Usage examples of wristbone.

Above each wristbone was the mark of a bruise, in a line which came half round the arm or less, and against the bone of the arm the flesh was raw.

Around the wristbone was a circle of air, a thin burrow, where the arm-meat had been, and had rotted.

The memory of Mother, her arms filled with groceries, pounding the latch with her wristbone and struggling to keep from swearing, would have made me smile if the accompanying sense of loss had not been so painful.

Hutchinson had to position the wristbones before he could wrap the warm, wet strips around my arm.

She pressed, very lightly, on the fingers, grinding the wristbones against each other, straining the tendons to screaming point.