רָקַע (b. h.) [to beat,] to stretch, spread.
Hif. - הִרְקִיעַ 1) same. Midr. Till. to Ps. CXLVI, 5 משמתחתי … והִרְקַעְתִּי הארץ וכ׳ since I stretched the heaven and spread the land (over the water), have they ever moved from their position? —2) (in enigmatic speech, denom. of רָקִיעַ) to make to look blue. Erub. 53ᵇ הַרְקִיעוּ Ms. M. (ed. אַרְקִיעוּ), v. זָהָב; [Rashi: spread the glowing coals].—[Tosef. B. Bath. XI, 9 שהרקיע ed. Zuck., read: שהִרְקִיב.]