'Hydroscope' definitions:

Definition of 'Hydroscope'

From: GCIDE
  • Hydroscope \Hy"dro*scope\, n. [Hydro-, 1 + -scope.]
  • 1. An instrument designed to mark the presence of water, especially in air. --Weale. [1913 Webster]
  • 2. A kind of water clock, used anciently for measuring time, the water tricking from an orifice at the end of a graduated tube. Hydrosome