Illustrated Companion to the Latin Dictionary/Tetrastylos

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

TETRASTY'LOS (τετράστυλος). Having four columns; either situated in a straight line in front of an edifice (Vitruv. iii. 3. 7.), or at the four corners of a square in the interior (Id. vi. 3. 1., and wood-cut s. ATRIUM, 2.); whence tetrastylon, as a substantive, is used to designate an interior which has a row of columns disposed, like a peristyle (peristylium), round the four sides of a square. Capitol. Gord. 32. Inscript. ap. Grut. 124. 1.