Pentastich, pen′ta-stik, n. a composition of five verses.—adj. Pentas′tichous, five-ranked.

Pentastyle, pen′ta-stīl, adj. having five columns in front.—n. (archit.) a building with a portico of five columns. [Gr. pente, five, stylos, a pillar.]

Pentasyllabic, pen-ta-si-lab′ik, adj. having five syllables.

Pentateuch, pen′ta-tūk, n. a name used to denote the Jewish Thorah, the first five books of the Old Testament.—adj. Pen′tateuchal. [Gr. pente, five, teuchos, a book—teuchein, to prepare.]

Pentathlon, pen-tath′lon, n. a contest consisting of five exercises—wrestling, throwing the discus, spear-throwing, leaping, and running—also Pentath′lum.—n. Pentath′lēte, one who contests in the pentathlon. [Gr. pente, five, athlon, a contest.]

Pentatonic, pen-ta-ton′ik, adj. consisting of five tones.

Penteconter, pen′tē-kon-tėr, n. an ancient Greek ship having fifty oars.

Pentecost, pen′tē-kost, n. a Jewish festival held on the fiftieth day after the Passover, in commemoration of the giving of the law: the festival of Whitsuntide, held in remembrance of the descent of the Holy Ghost upon the assembled disciples at the feast of Pentecost.—adj. Pentecost′al.—n.pl. offerings formerly made to the parish priest at Whitsuntide. [Gr. pentēkostē (hēmera), the fiftieth (day).]

Pentegraph=Pantograph.

Pentelic, -an, pen-tel′ik, -an, adj. describing a kind of marble found at Mount Pentelicus near Athens.