amplexationrare.|æmplɪkˈseɪʃən| [n. of action f. L. amplexāt-ppl. stem of amplexā-ri to embrace, as if ad. L. *amplexātiōn-em.] †1. Embracing. Obs. 1615Bp. Hall Contempl. iv. xxxiii. (1833) 517 An humble amplexation of those sacred feet. 2.Surg. ‘A method of treating fracture of the clavicle.’ Syd. Soc.Lex.