D, letter that has retained the fourth place in the alphabet from the earliest point at which it appears in history. D, or d, is the fourth letter of the latin alphabet, used in the modern english alphabet, the alphabets of other western european … · the letter d is used in the alphabets of many languages, and in several romanization systems of non-latin scripts to represent the … Any spoken sound represented by this letter. It corresponds to semitic … D, d (di) n. , pl. This super-catchy and clear alphabet song also lets children hear the letter d sound and see each letter at the beginning of five simple … The fourth letter of the english alphabet, a consonant.