(or स्तॄ) Parasmaipada Atmane-pada -स्तृणोति, -स्तृणुते; -स्तृणाति, -स्तृणीते (Epic also -स्तरति; indeclinablepage and participle -स्तीर्य, or -स्तृत्य), to spread out, scatter, strew (sacrificial grass) R.; to expand, extend (wings) R.; to spread abroad, diffuse, divulge BhP.; to enlarge or expatiate upon, speak diffusely about (accusative) MBh. Ka1v. (वि-स्तीर्य indeclinable copiously, at large); (with वचनम्) to exchange words, converse with (instrumental case) ibidem : Passive voice -स्तीर्यते or -स्तर्यते (future -स्तरिष्यते), to be spread abroad or widely diffused Mn. Pan5cat. BhP.; to be explained DivyA7v. : Causal -स्तारयति, to spread, extend, diffuse, display Mn. MBh. etc. (-स्तार्य, fully, copiously, at length); to discuss in detail Kull.; to expose (wares for sale) Das3.
Source: Monier-Williams