D defs.my
Entry 1 sense Webster, 1913

monopteral

/(mō̇*nŏp"tẽr*al)/ · mo·nop·ter·al · IPA
01 a. Round and without a cella; consisting of a single ring of columns supporting a roof; -- said esp. of a temple.
  1. 1.
    Round and without a cella; consisting of a single ring of columns supporting a roof; -- said esp. of a temple.(Arch.)