[ad. late L. coapt-āre to fit together: see CO- and APT v.] To fit together, adapt to each other.

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  1.  trans. To fit or join together.

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1655–60.  Stanley, Hist. Philos. (1701), 572/1. The Atoms concur, cohere, and are co-apted, not by any design, but as Chance led them.

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1874.  trans. Van Buren’s Dis. Genit. Org., 37. Accurately coapting the edges of the wound.

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  † b.  spec. in Geom. Obs.

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1570.  Dee, Math. Pref., 41. The right and absolute way … of Coaptyng and ioyning Lines and angles.

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1570.  Billingsley, Euclid, IV. def. vii. 111 b. A right lyne is sayd to be coapted or applied in a circle, when the extremes or endes therof, fall vppon the circumference of the circle.

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  † 2.  To make apt or fitting. Obs.

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1586.  Ferne, Blaz. Gentrie, 56. A necessary beginning to coapt a man to the excellency of eloquence.

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