16 JOURNAL OF FORESTRY 



Crotch chain. A tackle for loading logs on sleds, wagons, oars, or skidways by- 

 cross hauling. (Gen.) 



Syn.: cross haul (S. F.), parbuckle (N, W.). 

 See Loading chain. 



Crotch tongue. Two pieces of wood, in the form of a V, joining the front and 



rear sleds of a logging sled. (N. W., L. S.) 

 Croze, n. 1. The cross groove in the staves of cooperage in which the edge of 

 the head is inserted. (Gen.) 



2. A circular hand plane or a machine for cutting the croze in staves. (Gen.) 

 Syn.: crozer. 

 Crozer. See Croze. 



Crude turpentine. The resinous substance which exudes from the wounds of 

 certain pine trees, and from which turpentine and rosin are secured by dis- 

 tillation. (S. F.) 



Syn.: dip, gum, resin, soft gum. 

 Cruise, v. To estimate the amount and value of standing timber. (Gen.) 



Syn.: estimate, value. 

 Cruiser, n. One who cruises. (Gen.) 



Syn.: estimator, land looker, valuer. 

 Cubic foot average. In export shipments of southern yellow pine timbers, a. 

 term used to denote the average cubic-foot contents of all pieces in the ship- 

 ment. (S. F.) 

 Cull, n. 1. (Log,) Logs which are rejected, or parts of logs deducted in 

 measurement on account of defects. (Gen.) 



2. A cross-tie which does not meet the specifications. (Gen.) 

 Cull, V. (Log.) See Scale. 



(Lum.) See Grade. 

 Cull or Peck. A grade of cypress comprising pieces below No. 2 common and 



also those cut from the "pecky" part of a log. (S. F.) 

 Culler, n. 1, (Lum.) One who assorts staves as they leave the saw. (S. F.) 

 2. See Grader. 

 (Log.) See Scaler. 

 Cup, n. A galvanized sheet-iron or clay receptacle placed on a tree, in which 



the crude turpentine is caught. (S. F.) 

 Cupping. In a sawmill, a term applied to the action of a band saw which cuts 

 thick and thin lumber. (Gen.) 

 Syn.: running. 

 Cupping ax. (Turp.) A large broadax with a concave cutting edge, used in 

 cutting an incision at the base of the face into which the apron is to be in- 

 serted. (S. F.) 

 Curly grain. As applied to the grain of lumber, pieces in which the fibres 

 undulate but do not cross each other. When the undulations are large, wood 

 is said to be wavy grained. 



Custom sawing. The sawing of lumber under contract, usually to given speci- 

 fications. (Gen.) 



Cut, n. (Lum.) The output of a sawmill for a given period of time. (Gen.) 

 Syn.: output. 

 (Log.) A season's output of logs. (Gen.) 



Cut a box, to. To cut a box on a pine tree which is to be bled for crude tur- 

 pentine. (S. F.) 



Cut a log, to. To move one end of a log forward or backward so that the log- 

 will roll in the desired direction. (Gen.) 



Cutaway dam. Sec Splash dam. 



Cut off. An artificial channel by which the course of a stream is straightened; 

 to facilitate log driving. (N. F.) 



