'Sear spring' definitions:

Definition of 'Sear spring'

From: GCIDE
  • Sear \Sear\, n. [F. serre a grasp, pressing, fr. L. sera. See Serry.] The catch in a gunlock by which the hammer is held cocked or half cocked. [1913 Webster]
  • Sear spring, the spring which causes the sear to catch in the notches by which the hammer is held. [1913 Webster]