a. [f. LOWER v. + -ABLE.] Capable of being lowered.
1865. Artizan, XXIII. Feb 1, 28/1. If used to give sailing advantages, and save fuel, they [masts] should be light, and so fitted as to be lowerable during fighting.
1886. Wilkes-Barre Record, 5 May, 1/8. Concordia needs a much more commodious hall, and it ought to have a good supply of raisable and lowerable windows.
1889. H. M. Doughty, Friesland Meres, 230. They have top-masts lowerable under bridges.
1905. Meriden (CT) Daily Jrnl., 10 Aug., 1/2. Possession of the Chinese Eastern railway; ownership of Russian interned ships and above all the question of indemnity are understood to be the lowerable points in the scale. On these matters Russian haggling may reduce the original Japanese propositions to reasonable proportions.
