Upstream plane Synonyms

Upstream replaced

Definitions for Upstream

(adverb) toward the source or against the current
(adjective) in the direction against a stream's current

UP abbreviation

UP is an abbreviation for Upstream Plane

What does UP stand for?

UP stands for "Upstream Plane"

Definitions for Plane

(adjective) having a surface without bends, breaks, or irregularities
(noun) a vehicle for traveling through the air that has fixed wings for lift
(verb) to make free from breaks, curves, or bumps