Lewis Short
ob-torpesco, pŭi, 3
* V. inch. n., to become numb or stiff; to be benumbed, become insensible, lose feeling.
* Lit.: torpedo . . . piscium qui securi supernatantes obtorpuere, corripiens,Plin. 9, 42, 67, § 143: manus prae metu,Liv. 22, 3: manus,Cic. Dom. 52, 135: oculi,Sen. Contr. 1: squamae,grow hard,Plin. 8, 27, 41, § 99.
* Trop.: subactus miseriis obtorpui, Cic. poët. Tusc. 3, 28, 67: circumfuso undique pavore, ita obtorpuit, ut, etc.,Liv. 34, 38 fin.: obtorpuerunt quodammodo animi,id. 32, 20, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary