spit-locking, vbl. n. Mil.
[? f. spit n.3]
(See quots.) Also spit-lock v.
| 1834 J. S. Macaulay Field Fortif. iii. 49 Having set up the profiles, trace with a pick-axe (note Termed ‘spit-locking’) the escarp and counterscarp lines. 1892 G. Philips Text Bk. Fortif. (ed. 5) 153 Cutting a groove along the surface of the ground with the point of a pick (spit-locking). Ibid. 154 The bounding lines of the parapet..may be spit-locked. |