[Eu.cha.rist] n [ME eukarist, fr. MF euchariste, fr. LL eucharistia, fr. Gk, Eucharist, gratitude, fr. eucharistos grateful, fr. eu- + charizesthai to show favor, fr. charis favor, grace, gratitude; akin to Gk chairein to rejoice--more at yearn] (14c) 1: communion 2a
2. Christian Science: spiritual communion with God -- eu.cha.ris.tic adj, often cap