Air Post Office (both Army and Air Force) / Army Post Office / Air Force Post Office

Self-confidence; poise; composure. / (ballet) The apparent elegance and precision exhibited by a confident, accomplished dancer. / The perpendicular; perpendicularity.

(Christianity) Of or relating to the Apocrypha.

(Greek mythology, Roman mythology) The son of Zeus and Leto (or Jupiter and Latona), and the twin brother of Artemis (or Diana). He was the god of light, music, medicine, and poetry; and prophecy, dance, manly beauty, and more.

(astronomy) An asteroid possessing an orbit that crosses the orbit of the Earth and an orbital period of over one year, with semimajor axes greater than 1 AU, and perihelion distances less than 1.017 AU.

(countable, biblical) The written account of a revelation of hidden things given by God to a chosen prophet.

(law enforcement) Initialism of all-points bulletin.

Of, relating to, or containing aphorisms, maxims or epigrams; gnomic.

(military) Initialism of armored personnel carrier. / (cytology) Initialism of anaphase-promoting complex. / (immunology) Initialism of antigen-presenting cell.

(music) Initialism of A Perfect Circle.