[ad. med.L. benedictiōnālis (sc. liber), i.e., book of benedictions; cf. hymnal, etc.] A book containing the forms of episcopal benedictions formerly in use.
1844. Lingard, Anglo-Sax. Ch., I. vii. (1858), 271, note. The Benedictional of St. Ethelwold.
1849. Rock, Ch. of Fathers, IV. ii. 37. The head deacon gave the benedictional to the bishop.
1879. J. Simmons, in Lay Folks Mass Bk., 351, note. The new words were rendered in the vulgar tongue, as sang-boc (psalter), bletsing-boc (benedictional).