monopteral \mo*nop"ter*al\ (m[-o]*n[o^]p"t[~e]r*al), a. [Gr.
mono`pteros with a row of pillars only; mo`nos alone, only +
ptero`n feather, wing, also, a row of pillars: cf. F.
monopt[`e]re.] (Arch.)
Round and without a cella; consisting of a single ring of
columns supporting a roof; -- said esp. of a temple.
[1913 Webster]