† well-drainv.Obsoleteraretransitive to drain (land) by means of well drains.It is likely that the entry in Webster (see quot. 1828) was based on the occurrence of well-draining (noun). The authority Cyc. may refer to the source cited in quot. 1818 for well-drainingn.Apparently only attested in dictionaries or glossaries.
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1828 N. WebsterAmer. Dict. Eng. Lang.Well-drain, to drain land by means of wells or pits, which receive the water, and from which it is discharged by machinery. Cyc.