ădhaesĭo, ōnis, f. [adhaereo],
an adhering , adhesion : complexiones et copulationes et adhaesiones atomorum inter se, Cic. Fin. 1, 6, 19, v. Madv. ad h. l.; Gloss. Placid. Clas. Auct. III. p. 427 Mai.
adhaesiō ōnis, f an adhering, clinging (once). ...
An Elementary Latin Dictionary