a. [f. FORTIFY v. + -ABLE; cf. F. fortifiable.] That may be fortified.
1609. Overbury, Observ. 17 Prov., Wks. (1856), 223. The nature of the countrey, every where fortifiable with water, the scituation of it, having behinde them the Baltique Sea.
1755. in Johnson.
1886. Ruskin, Præterita, I. vii. 207. Such being the quadrilateral plan of my fortifiable dispositions.
