Jastrow is Prof. Marcus Jastrow’s Dictionary of the Targumim, Talmud Babli, Yerushalmi and Midrashic Literature. Read more here: https://en.wikipedia.org/wiki/Marcus_Jastrow.
and available online here: http://www.tyndalearchive.com/tabs/jastrow/
Jastrow is Prof. Marcus Jastrow’s Dictionary of the Targumim, Talmud Babli, Yerushalmi and Midrashic Literature. Read more here: https://en.wikipedia.org/wiki/Marcus_Jastrow.
and available online here: http://www.tyndalearchive.com/tabs/jastrow/