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Webster 1913 Edition

(kount′?r)

Noun.

[From

Verb.

(in sense 4).]

(O. Eng. Law)

An advocate or professional pleader; one who counted for his client, that is, orally pleaded his cause.

[Obs.]

Burrill.

countor ‎(plural countors)

(obsolete, Britain, law) An advocate or professional pleader; one who counted for his client, that is, orally pleaded his cause.
(Can we find and add a quotation of Burrill to this entry?)