tripteral

[ trip-ter-uh l ]
/ ˈtrɪp tər əl /

adjective

(of a classical building) having a triple pteron.

Origin of tripteral

< Greek trípter(os) having three wings (see tripterous) + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019