Words, grammatical forms and meanings linked to the ontology.
PCA en · NOUN
Meanings
(abbreviation, alt-of) Abbreviation of propulsion controlled aircraft (system/unit), an aircraft with a control system with two or more engines arrayed abreast, allowing descent, ascent, turns by adjusting the throttle control to the engines (sometimes used attributively).
The PCA was demonstrably a Communist-front organization, and most of the Hollywoodites whom it rallied to its support were members of the Communist Party, some of them having been notorious as such for many years. 1956, United States. Congress. House. Committee on Un-American Activities, Hearings, page 171: