n. In solmization, the syllable used for the second tone of the scale. In the scale of C this tone is D—a tone which is therefore sometimes called re in France and Italy.n. A word used in legal language in the phrase in re: as, ‘in re Bardell vs. Pickwick,’ in the case of Bardell against Pickwick: often elliptically re: as, re Bardell vs. Pickwick; re Brown.n. An inseparable prefix of Latin origin (before a vowel usually in the form red-), meaning ‘back,’ ‘again.’