High-pressure engine, an engine in which steam at high pressure is
used. It may be either a condensing or a noncondensing engine. Formerly
the term was used only of the latter. See Steam engine.
High" priest` (?). (Eccl.) A chief priest; esp., the head of the Jewish
priesthood.
High"-priest`hood (?), n. The office, dignity, or position of a high
priest.
High"-priest`ship, n. High- priesthood.
High"-prin`ci*pled (?), a. Possessed of noble or honorable principles.
High"-proof` (?), a. 1. Highly rectified; very strongly alcoholic; as,
high-proof spirits.