'Flowage' definitions:

Definition of 'flowage'

(from WordNet)
noun
Gradual internal motion or deformation of a solid body (as by heat); "rock fracture and rock flowage are different types of geological deformation"
noun
A body of water that has been created by deliberately flooding an area; "many campsites were located near the flowage"
noun
The act of flooding; filling to overflowing [syn: flood, flowage]

Definition of 'Flowage'

From: GCIDE
  • Flowage \Flow"age\ (?; 48), n. An overflowing with water; also, the water which thus overflows. [1913 Webster]