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THREAD. A figurative expression used to signify the central line of a stream or water course. Harg. Tracts, 5; 4 Mason's Rep. 397; Holt's R. 490. Vide Filum aguae; Island; Water course; River.

References in periodicals archive ?
The Unified Screw Thread System for commercial bolts, nuts and screws sets the standards in the United States and Canada.
Although this concept is not new, the latest issue of the standard that governs inch screw threads is ASME B1.
The displacements and slopes during this initial region were calculated, as it was thought they corresponded to the screw threads sinking into the polyurethane foam as the system stabilized.
Screw threads are used for a variety of purposes and applications in the machine tool industry.
This adjustable extruder system features screw threads in the rotor and barrel that plastify and mix rubber for a wide range of compounds, according to the literature.
This should break the grip of the screw threads in the wood.
Rubbing wax onto screw threads makes the screws easier to drive, especially when driving them by hand.
This is used as a specialist tape in plumbing work for sealing screw threads.