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Mental activity or work; thought.

head′work′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. mental work
2. (Architecture) the ornamentation of the keystone of an arch
ˈheadˌworker n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



mental labor; thought.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in classic literature ?
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; and as to the bargains about the squire's timber, it would be easy to call in a third person.
Physical power was as yet on the side of Charity, but she hadn't a chance with him wherever headwork was wanted.
Thus, by divers little makeshifts, in that ingenious way which is commonly denominated "by hook and by crook," the worthy pedagogue got on tolerably enough, and was thought, by all who understood nothing of the labor of headwork, to have a wonderfully easy life of it.
But the Panama lay on the moss beside him; and the spectator could see that his brow was prematurely bald; and this, combined with a certain hollowness about the eyes, had an air of headwork and even headache.
New contract award projects to complete the headwork in 15 months, which is six months longer than the earlier plan.
According to irrigation department officials, 30,000 cusec of floodwater will pass through Islam Headwork.
'The water level at Trimmu headwork was recorded 97,519 cusecs, 66,477 cusecs at Qadirabad, 64,929 cusecs at Khanki, 61,280 at Marala and 2,715 cusec water was recorded at Rasool headwork.'
The water level at Trimmu headwork was recorded 97519 cusec, 66477 cusec at Qadirabad, 64929 cusec at Khanki, 61280 at Marala and 2715 cusec water was recorded at Rasool headwork.
It consists of construction of a headwork to regulate the flow of water, 31km of main canal, 30km of secondary canal, 51km of tertiary canals, 302km of field canals and 83km of a service road.
He said that the flood also washed away the headwork of the 108 megawatts hydro power station of Wapda and the water supply scheme of Chitral city maintained by the public health engineering department of the provincial government apart from washing away the road to the valley but the government was yet to start the rehabilitation of the infrastructures.
He said construction work on link roads from Monda headwork was underway that would provide better communication facilities to people and construction workers.