Lewis Short
(adjective) : fŏrābĭlis, e, foro
* That may be pierced, penetrable: forabilia ac sectilia quae modice umida,Plin. 16, 43, 83, § 227. —Vulnerable: contemptor ferri nulloque forabilis ictu,Ov. M. 12, 170.
Charlton T. Lewis, Charles Short, A Latin Dictionary