from The Century Dictionary and Cyclopedia
- n. A made-up, stiffly arranged cravat worn in the eighteenth century, and somewhat resembling the stock of the present day. There was a metal spring within it to keep it in place on the neck.
Sorry, no etymologies found.
In deference to the seventh day, he exchanged his shirt of blue cotton for a white, well-starched linen one, and donned a high black lasting neck-stock and dark vest, and shaved his face so clean that it reflected his own sunshine if not the solar ray.
The union between his head and body was made, apparently, by a high, stiff, black neck-stock.
He wore the high, black-silk neck-stock and the double-breasted frock-coat of his youthful times during his thirty years 'career in the Senate, varying with the seasons the materials of which his pantaloons were made, but never the fashion in which they were cut.
Needless to say, Flashman has the ceremonial off pat, even to the curious triple coffin and the water front procession, [p. 9]  There must have been 250 of these boxes, each containing 2000 dollars, according to the cash account of the Treasury Officer to the expedition, [p. 12]  A Bootneck or Leatherneck is a Royal Marine, supposedly so-called from the leather tab securing the uniform collar in the nine teenth century, or possibly from the leather neck-stock.
He is, perhaps, a gentleman of somewhat stunted growth, but of full habit, and somewhat noticeably red between the ear and the neck-stock? "