v. Obs. Also 8 try-, tre-; see also THRY-FALLOW. [app. altered from the earlier three-, thry-fallow, after TWIFALLOW, or under the influence of TRI- prefix as in tri-weekly, triennial, etc.] trans. To plough (land) a third time in the course of its lying fallow. Also absol.
[1573, 1641: see THIRY-FALLOW].
1610. W. Folkingham, Art of Survey, I. ii. 43. Orders and seasons for fallowing, twifallowing, trifallowing and seed-furre.
1681. Worlidge, Dict. Rust., s.v. Fallow, Thus may you fallow, twifallow, and trifallow; that is once, twice, or thrice plough it before the seed-time.
1707. Mortimer, Husb. (1721), I. 53. About the latter end of July or beginning of August, is the time of Try-fallowing, or last plowing before they sow their Rye or Wheat.
1766. Complete Farmer, To Trefallow, to plough land the third time before sowing.
