a. rare. [f. TIER sb.1 (or ? TIER v.1 taken in sense ‘to form tiers’) + -ING2.] Forming or rising in tiers.
1892. Kipling, Barrack-r. Ballads, 132. The skipper looked at the tiering guns and the bulwarks tall and cold. Ibid. (1896), Seven Seas, 137. You’ll see her tiering canvas in sheeted silver spread.
