Eucharistic \Eu`cha*ris"tic\, Eucharistical \Eu`cha*ris"tic*al\, a. [Cf. F. eucharistie.] 1. Giving thanks; expressing thankfulness; rejoicing. [Obs.] The eucharistical part of our daily devotions. --Ray. 2. Pertaining to the Lord's Supper. ``The eucharistic sacrament.'' --Sir. G. C. Lewis.