TRIFALLOW

trifallow. Trifallow, v.t. to plow land three times over

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Tri″fal′low (?), v. t. [imp. & p. p. Trifallowed (?); p. pr. & vb. n. Trifallowing.] [[Pref. tri- + fallow. Cf. Thryfallow.]] To plow the third time before sowing, as land. Mortimer.