a. [f. prec. + -AL.] Of, pertaining to, or of the nature of a transept. Hence Transeptally adv., in the manner of a transept.
1846. Ecclesiologist, V. 152. A parclose screening off the north transeptal chapel. Ibid. (1856), XVII. 88. A spacious narthex with the prescribed chapels opening into it transeptally.
1884. Ch. Times, XXII. 86. Exeter is noteworthy for its transeptal or paddle-box towers.
1886. Willis & Clark, Cambridge, III. 261. The chapel is to the west of the hall, and has a transeptal antechapel.