1. the array or arrangement of troops in particular positions, order of parade or battle DN-a.i.85. Three formations of troops are mentioned at Ja.ii.404 & Ja.ii.406, viz. paduma-vyūha (lotus formation), cakka˚ (wheel formⁿ), sakaṭa˚ (cart formⁿ).
2. a heap, collection, in byūhaṃ karoti to put into a (well-arranged) heap Mil.2 (kacavaraṃ).
3. a (blind) alley, cul-de-sac Vin.iv.271 (byūhan nāma yen’ eva pavisanti ten’ eva nikkhamanti).

cp. Sk. & P. vyūha fr. vi + ; vah