'Bathymetry' definitions:

Definition of 'bathymetry'

From: WordNet
noun
Measuring the depths of the oceans [syn: bathymetry, plumbing]

Definition of 'Bathymetry'

From: GCIDE
  • Bathymetry \Ba*thym"e*try\, n. [Gr. ba`qos depth + -metry.] The art or science of sounding, or measuring depths in the sea. [1913 Webster] bathyscaph