n. [ L. adunatio; ad + unus one. ] A uniting; union. Jer. Taylor. [ 1913 Webster ]
a. [ L. coadunatus, p. p. of coadunare to unite. See Adunation. ] (Bot.) United at the base, as contiguous lobes of a leaf. [ 1913 Webster ]
n. [ L. coadunatio. ] Union, as in one body or mass; unity. Jer. Taylor. [ 1913 Webster ]
The coadunation of all the civilized provinces. Coleridge. [ 1913 Webster ]