inter-cŏlumnĭum

I. the space between two columns, intercolumniation: ambulationis, Cic. Q. Fr. 3, 1, 2, § 5: signa omnibus intercolumniis disposita, Cic. Verr. 2, 1, 19; Vitr. 3, 1; 4, 3; Vulg. 1 Reg. 7, 31.