Contabulo, contabulas, pen. cor. contabulâre. Plin. To hourd or planke.Contabulare murum turribus. Cæsar. To make towers: to timber plankes euen with the walles.Contabulare turres Cæsan.To frame towers of timber.
Lewis and Short: Latin dictionary
con-tăbŭlo, āvi, ātum, 1, v. a., to furnish or cover with boards (several times in the histt.; elsewh. rare): turres, Caes. B. G. 5, 40: turres contabulatas machimentaque alia quatiendis muris portabant, i. e.
built in stories
, Liv. 24, 34, 7: pomaria, Plin. 15, 16, 18, 59: totum murum ex omni parte turribus, Caes. B. G. 7, 22: pavimentum quernis axibus, Plin. 36, 25, 62, 187: mare molibus,