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Webster 1913 Edition

Verb.

[Pref.

en-

race

lineage.]

To enroot; to implant.

[Obs.]

Spenser.

Syn. – To irritate; incense; inflame; exasperate; provoke; anger; madden; infuriate.

Verb.

To implant. [Not used.]

enrace ‎(third-person singular simple present enraces, present participle enracing, simple past and past participle enraced)

(obsolete) To enroot; to implant.
(Can we find and add a quotation of Spenser to this entry?)