56 JOURNAL OF FORESTRY 



Single cut, to. To float logs, usually cypress, oue at a time from the woods to 

 the front road. (S. F.) 



Single mill. A sawmill having one head saw. (Gen.) 



Sinker, n. See Deadhead. 



Sinker boat. See Catamaran. 



Siwash. See Side line logs, to; .Jackpot. 



Sizer, ti. A machine for surfacing timbers. (Gen.) 



Syn.: dimension planer, timber planer. (P, C. F.) 

 Skeleton log car. A car having a skeleton frame. (Gen.) 



Syn.: connected truck. (P. C. F.) 



Skewer, n. Eound wooden pins of varying length and diameter, and pointed at 

 one end. They are most extensively used in packing-houses and butcher shops 

 to hold meat together. (Gen.) 



Skid, i\ 1. To draw logs from the stump to the skidway, landing, or mill. 

 (Gen.) 

 Syn.: snake, twitch, yard. (N. W.) 



2. As applied to a road, to re-enforce by placing logs or poles across it. 

 (Gen.) 



Skidder, n. 1. One who skids logs. (Gen.) 



2. A steam or electrically driven device operating on or near a railroad 

 track, which skids logs by means of a cable. Three general systems are in 

 use: the cable-way or overhead system, the chief distinguishing feature of 

 which is a cable suspended between a head-spar tree and a tail tree, on which 

 travels a trolley from which cables run that wholly or partially elevate the 

 log above the ground; the slack-rope system, a ground system in which the 

 skidding cable is returned to the logs by a smaller cable called a messenger 

 cable; the snaking system, a ground system in which the skidding line is 

 pulled out by an animal. (Gen.) 



Syn.: steam skidder. 



3. The foreman of a crew which constructs skid roads. (P. C. F.) 



4. See Bummer. 



Skidding chain. A heavy chain used in skidding logs. (Gen.) 

 Skidding hooks. See Skidding tongs. 

 Skidding sled. See Dray. 



Skidding tongs. 1. A pair of hooks attached by links to a ring and used for 

 skidding logs. (Gen.) 



Syn.: dogs, grabs, grapples, grips, head grabs, skidding hooks. 

 2. Tongs used in skidding logs. (Gen.) 

 Skidding trail. See Gutter road. 

 Skid grease. See Chute grease. 

 SMd greaser. See Greaser. 

 Skid man. See Dock man. 



Skid-off, n. A launching way for lumber rafts. (S. F.) 



Skid road. 1. A road or trail leading from the stump to the skidway or landing. 

 (Gen.) 

 Syn.: travels road. (N. F.) 



2. A road over which logs are dragged, having heavy transverse skids par- 

 tially sunk in the ground, usually at intervals of about 5 feet. (P. C. F.) 

 Skids, n. Logs or poles, commonly used in pairs, upon which logs are handled or 



piled (Gen.); or logs or poles laid transversely in a skid road. (P. C F.) 

 Skid, up, to. 1. To level or re-enforce a logging road bv the use of skids. 

 (Gen.) 



2. To collect logs and pile them on a skidway. (Gen.) 



