This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A frame with legs, used to support pieces of wood being sawed.

n. A device used to temporarily raise and support pieces of material (for example, timber), especially during cutting with a saw or similar device.

n. A kind of rack, shaped like a double St. Andrew's cross, on which sticks of wood are laid for sawing by hand; -- called also buck, and sawbuck.

n. A support or rack for holding wood while it is cut by a wood-saw. Also called sawbuck or buck.

n. a framework for holding wood that is being sawed

""A sawhorse is a thing they saw boards on," remarked Jim, with a sniff."

framework   

buck    sawbuck   

trestle   

sawbuck    saw-stool   

six-block    blood-brain    biscuit-tin    thornbush    continue    20-minute    cattle-dealer    light-speed    blanketroll    chest-high