Third-person singular simple present indicative form of retro-engineer

(transitive) To reverse-engineer; to analyze (an existing item) in order to determine how to replicate it.

A vertical steam engine in which the cylinder stands above the crank.

A machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines.

(mining) An engine used for pumping, raising heavy weights, etc.

(historical) A wheelbarrow tank and pump for watering gardens.

A condensing engine like a steam engine, but operated by ether vapour instead of steam.

A turning lathe in which the cutting tool has an automatic feed; used chiefly for turning and boring metals, cutting screws, etc.

A device for pumping beer from a cask in a pub's cellar.

A locomotive going in advance of a train to make sure that the way is clear.