siṅghāṭaka

  1. a square, a place where four roads meet Vin.i.237, Vin.i.287 Vin.i.344; Vin.iv.271; DN.i.83; AN.ii.241; AN.iv.187, AN.iv.376; SN.i.212 SN.ii.128; SN.iv.194; Mil.62, Mil.330, Mil.365; Dhp-a.i.317. aya-s˚ perhaps an iron ring (in the shape of a square or triangle MN.i.393; Ja.v.45.
  2. a water plant (Trapa bispinosa? Ja.vi.530, Ja.vi.563.

cp. Sk. śṛngāṭaka; fr. śṛnga