Naut. ‘A hand-mast pole, fit for making small masts or yards, booms, etc.’ (Smyth, Sailor’s Word-bk.).

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1611.  Rates (Jam.). Cant-spars or fire-poles, the hundreth, xxl.

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1727.  W. Mather, Yng. Man’s Comp., 410. For which they import … Cantspars.

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