Lewis & Short

palpātĭo, ōnis, f. [1. palpo].

  1. I. A stroking, flattering, flattery: aufer hinc palpationes, Plaut. Men. 4, 2, 43.
  2. II. Trembling, terror (eccl. Lat.): tenebrae et palpatio, Vulg. Isa. 32, 14.