V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry पाट
पाटpāṭa1 Extension, breadth.
1 Extension, breadth.
(In geometry) The intersection of a prolonged side and perpendicular, or the figure formed by such intersection.