1. (n.) The eighth letter of the English alphabet, is classed among the consonants, and is formed with the mouth organs in the same position as that of the succeeding vowel. It is used with certain consonants to form digraphs representing sounds which are not found in the alphabet, as sh, th, as in shall, thing
2. (n.) The seventh degree in the diatonic scale, being used by the Germans for B natural. See B.