Sanghāta. A Niraya. It is so called because massive rocks of heated iron meet and crush the victims. J.v.256, 270.

Dictionary of Pali Proper Names, G P Malalasekera (1899-1973), which is available as printed version from

Sanghāta [saŋ+ghāta] 1. striking, killing, murder Vin i.137; D i.141; ii.354; M i.78; A ii.42 sq. -- 2. knocking together (cp. sanghaṭṭeti), snapping of the fingers (acchara˚) A i.34, 38; J vi.64. -- 3. accumulation, aggregate, multitude PvA 206 (aṭṭhi˚ mass of bones, for the usual ˚sanghāṭa); Nett 28. -- 4. N. of one of the 8 principle purgatories J v.266, 270.

Pali-English Dictionary, TW Rhys Davids, William Stede,