Emily Dickinson Lexicon

CO-IN-CIDE', v.i. [L. con and incido, to fall on; in and cado, to fall. See Cadence, Case. Low L. coincido; Sp. coincidir; Fr. coincider.]

1. To fall or to meet in the same point, as two lines, or bodies; followed by with. If the equator and the ecliptic had coincided, it would have rendered the annual revolution of the earth useless. – Cheyne.
2. To concur; to be consistent with; to agree; as, the judges did not coincide in opinion. The rules of right judgment and of good ratiocination often coincide with each other. – Watts.