Extended Strong's Greek Lexicon (Abbott-Smith based)
curtain
Usage: κατα-πέτασμα, -τος, τό (= cl. παραπέτασμα) [in LXX chiefly for פֹּרֶכֶת (the veil of the Holy of Holies), Exo.26:31, Lev.21:23, al.; also for מָסָךְ (the outer veil), Exo.35:12, Num_3:26, al. (elsewhere κάλυμμα) ;] in NT always the inner veil or curtain of the Temple (or Tabernacle): Mat.27:51, Mrk.15:38, Luk.23:45, Heb.6:19 9:3; figuratively, ἡ σὰρξ αὐτοῦ Heb.10:20.† (AS)