Definitions:
(of a liquid, gas, or electricity) move steadily and continuously in a current or stream

go from one place to another in a steady stream, typically in large numbers

(of a solid) undergo a permanent change of shape under stress, without melting.

the action or fact of moving along in a steady, continuous stream

a steady, continuous stream or supply of something

a watery swamp; a morass.

the gradual permanent deformation of a solid under stress, without melting.