rare. [f. COINCIDE + -ER.] One who or that which coincides. (Harris used it as = one who goes in company.)

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1750.  Harris, Hermes, I. ix. Wks. (1841), 169, note. From its [the verb’s] readiness συμβαίνειν, to coincide with its noun in completing the sentence, they called it σύμβαμα, a coincider. Ibid. Something less than a coincider, or less than a predicable.

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