a. [f. AX-IS + -AL 1; cf. L. crīnālis, dōtālis.] = AXIAL (which is the usual form).
1823. P. Nicholson, Pract. Build., 130. The axal section.
1830. Edin. Encycl., V. 520. At right angles to an axal plane.
1872. Nicholson, Palæont., 161. Axal furrows.
