As a deity name
Name 426 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
विस्तार · noun · masculine
लंबे या चौड़े होने का भाव । फैले होने का भाव । फैलाव । जैसे—(क) इस मकान का विस्तार कम है । (ख) तुम बातों का बहुत अधिक विस्तार करते हो · पेड़ की शाखा · गुच्छा — Śabdasāgara
विस्तार · vi-stār · s.m.
Spreading; spread, extension, expansion, diffusion, development (i.q. bistār) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 1191
विस्तार · masculine
extent; expansion, enlargement; elaboration, specification; area, expanse
a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi विस्तार — per Wiktionary’s etymology record
“Learned borrowing from Sanskrit विस्तार (vistāra)” — per Wiktionary’s etymology record
vi-stāra m. (ifc. f(ā). ; cf. vi-stara) spreading, expansion, extent, width, MBh.; Kāv. &c.
becoming large or great (met. said of the heart), Sāh.
As a Sanskrit word
Meaning
the breadth of a circle i.e. its diameter
Scripturally attested Verified derivationMultiple readings (11)Why this matches what you typed
The spelling you confirmed, विस्तार, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
vi-stāra m. (ifc. f(ā). ; cf. vi-stara) spreading, expansion, extent, width, MBh.; Kāv. &c.
becoming large or great (met. said of the heart), Sāh.
the breadth of a circle i.e. its diameter, Col.
specification, detailed enumeration or description, Yājñ.; Suśr. (eṇa, diffusely, at length, prob. w.r. for vistareṇa, R. iii, 4, 4)
the branch of a tree with its new shoots, L.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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