The Collaborative International Dictionary
Amphiprostyle \Am*phip"ro*style\, a. [L. amphiprostylos, Gr. ? having a double prostyle: cf. F. amphiprostyle. See Prostyle.] (Arch.) Doubly prostyle; having columns at each end, but not at the sides. -- n. An amphiprostyle temple or edifice. [1913 Webster] ||
Wiktionary
a. (context of a structure English) Having columns at either end but not along the sides. n. An amphiprostyle temple or edifice.
WordNet
adj. marked by columniation having free columns in porticoes either at both ends or at both sides of a structure [syn: amphiprostylar, amphistylar, porticoed]
Wikipedia
In classical architecture, amphiprostyle denotes a temple with a portico both at the front and the rear. The number of columns never exceeded four in the front and four in the rear. The best-known example is the tetrastyle small Temple of Athena Nike at Athens.
See also the Temple of Venus and Roma.