The Collaborative International Dictionary
Headwork
Headwork \Head"work`\ (h[e^]d"w[^u]rk`), n. Mental labor.
Wiktionary
headwork
n. 1 mental or intellectual labour. 2 The use of logic and clear thinking to do something.
Usage examples of "headwork".
Son-in-law or no son-in-law, Adam had made himself too necessary to be parted with, and his headwork was so much more important to Burge than his skill in handicraft that his having the management of the woods made little difference in the value of his services.