(Internet) Of a web page: designed so that automated search engine crawlers can easily index and categorize its contents.

(rail transport, UK) A principle in railway signalling where only one train or locomotive is allowed to run on a section of single-track line, such as a branch line, at any one time.

(nautical) A device used by the pilot in the bridge to communicate the desired speed of the engines to the people manning the engine room.

plural of engine order telegraph

(automotive) A type of extended-Brayton-cycle-based two-stroke engine which uses four cylinders for a combustion cycle of four strokes, but having a power stroke rate of that on regular two-stroke cycles.

Having an internal combustion engine.

Alternative form of internal combustion engined

Alternative form of internal combustion engined

The Chinese phenomenon of distributed research using Internet media such as blogs and forums, sometimes as a form of vigilantism against an individual person/doxxing.

(rare) To carry out a simple task in an overcomplicated manner.