Deprehend \Dep`re*hend"\, v. t. [imp. & p. p. {Deprehended}; p. pr. & vb. n. {Deprehending}.] [L. deprehendere, deprehensum; de- + prehendere to lay hold of, seize. See {Prehensile}.] 1. To take unwares or by surprise; to seize, as a person commiting an unlawful act; to catch; to apprehend. The deprehended adulteress.Jer. --Taylor. 2. To detect; to discover; to find out. The motion . . . are to be deprehended by experience. --Bacon.