The Collaborative International Dictionary of English v.0.48:
Distyle \Dis"tyle\, a. [Gr. di- = di`s- twice + ? pillar: cf. F. distyle.] (Arch.) Having two columns in front; -- said of a temple, portico, or the like. [1913 Webster] Distyle in antis, having columns between two ant[ae]. See Anta. [1913 Webster]