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Webster 1913 Edition

Noun.

One who favors the practice of fallowing land.

[R.]

Sinclair.

Noun.

One who favors the practice of fallowing land.

On this subject, a controversy has arisen between two sects, the fallowists and the anti-fallowists. [Unusual.]

fallowist ‎(plural fallowists)

One who favors the practice of fallowing land.
(Can we find and add a quotation of Sinclair to this entry?)