ἱστός ἱστός, ὁ, ἵστημι anything set upright: a shipʼs mast, ἱστὸν στῆσαι or στήσασθαι to step the mast, Hom.:— a rod, pole, Hdt. the beam of the loom, which stood upright, instead of lying horizontal as in our looms, Hom.; ἱστὸν στήσασθαι to set up the beam and so begin a web, Hes.; ἱστὸν ἐποίχεσθαι to traverse the loom, because the weaver was obliged to walk to and fro, Hom. the warp that was fixed to the beam, the web, Hom.