synclitic,a.Obstetr.|sɪnˈklɪtɪk| [f.Gr. σύν syn-1 + κλιτικός, f. κλίνειν to bend, turn, slope.] Having the planes of the fetal head parallel to those of the pelvis. Hence synˈcliticism|-sɪz(ə)m|, also synclitism|ˈsɪŋklɪtɪz(ə)m|. 1890Billings Med.Dict., Synclitic, Synclitism.1901Dorland Med.Dict., Syncliticism.