TgO Gen14:17 :לְמֵישַר מְפַנַא הֻוא בֵית רֵיסָא דְמַלכָא‏ : to the cleared plain that was the king's race track [MT אֶל־עֵמֶק שָׁוֵה הוּא עֵמֶק הַמֶּלֶךְ]
See the entire entry for byt@rys n.m. race track