a. Also foundrous. [f. FOUNDER v. + -OUS.] Causing or likely to cause to founder; miry, full of ruts and holes.

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1767.  Hull & Anlaby Road Act, 2. The other roads … are become very founderous for travellers.

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1796.  Burke, Regic. Peace, iii. Wks. VIII. 267. I have travelled through the negotiation, and a sad founderous road it is.

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1805.  Wordsw., Waggoner, III.

        Poor pilot I, by snows confounded,
And many a foundrous pit surrounded!

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1844.  Williams, Real Prop. (1873), 314. Where a public way is foundrous, as such ways frequently were in former times, the public have by the common law a right to travel over the adjoining lands, and to break through the fences for that purpose.

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