Obs. rare. [First element obscure; second element TREE.] A name used by Markham and Surflet for the main swingletree of a plough, to the end of which are attached the two smaller swingletrees or whipple-trees, to which the two horses or oxen are harnessed.

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  In the Eng. Husbandman Markham appears to use the term as equivalent to swingletree, calling the main swingletree ‘the first’ or ‘hindmost toastree.’

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1613.  Markham, Eng. Husbandman, I. I. v. C iv b. Presenteth the plough-cleuisse, which being ioyned to the plough-beame, extendeth, with a chaine, vnto the first Toastree…. The hind-most Toastree … is, a broad piece of Ash-woode … which … hath the Swingletrees fastned vnto it … Because this Toastree is such a notable Implement both in Plough, Cart, or Waine,… I think it not amisse to shew you the figure thereof.

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1616.  Surfl. & Markh., Country Farme, V. vi. 533. When they draw two and two together … then there is needfull the plow, cleuise, and teame, the toastree, the swingle-trees, the treates, the harnesse, the collars [etc.].

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