'To drop through' definitions:

Definition of 'To drop through'

From: GCIDE
  • Through \Through\, adv.
  • 1. From one end or side to the other; as, to pierce a thing through. [1913 Webster]
  • 2. From beginning to end; as, to read a letter through. [1913 Webster]
  • 3. To the end; to a conclusion; to the ultimate purpose; as, to carry a project through. [1913 Webster]
  • Note: Through was formerly used to form compound adjectives where we now use thorough; as, through-bred; through-lighted; through-placed, etc. [1913 Webster]
  • To drop through, to fall through; to come to naught; to fail.
  • To fall through. See under Fall, v. i. [1913 Webster] [1913 Webster]