Twelfth

twelfth, adj. the last of twelve.— n. one of twelve equal parts: ( mus. ) a tone twelve diatonic degrees above or below a given tone.— ns. Twelfth′-cake , an ornamental cake partaken of on Twelfth-night; Twelfth′-day , -tide , the twelfth day after Christmas, the Epiphany; Twelfth′-night , the eve of Twelfth-day or evening before Epiphany. [A.S. twelfta — twelf .]