sétu mfn. (fr. √1. si) binding, who or what binds or fetters RV

• m. a bond, fetter ib

• a ridge of earth, mound, bank, causeway, dike, dam, bridge, any raised piece of ground separating fields (serving as a boundary or as a passage during inundations) RV. &c. &c

• Rāma's bridge ( See setubandha) BhP

• a landmark, boundary, limit (also fig. = 'barrier, bounds') Mn. MBh. &c

• a help to the understanding of a text, an explanatory commentary (also N. of various commentaries) Cat

• an established institution, fixed rule MW

• the Praṇava or sacred syllable Om (which is said to be mantrāṇāṃ setuḥ) KālP

• Crataeva Roxburghī or Tapia Crataeva (= varaṇa, varuṇa) L

• N. of a son of Druhyu and brother of Babhru Hariv

• of a son of Babhru Pur

• of a place MW