Illustrated Companion to the Latin Dictionary/Tetradoros

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. 

TETRADO'ROS or -ON (τετράδωρος or -ον). Literally, of four hands' breadth; applied to bricks (Vitruv. iii. 2. 3.); see LATER, where the comparative sizes of ancient bricks are described and exemplified.