Abbott-Smith Manual Greek Lexicon
φράσσω (G5420)
4 φράσσω [in LXX: Jb 38:8 ( סָכַךְ hi.), Ho 2:6(8) ( שׂוּךְ ), Pr 21:13 ( אָטַם ), etc. ;] to fence in, stop, close : στόματα λεόντων , He 11:33 ; στόμα , metaph., Ro 3:19 ; pass., καύχησις , II Co 11:10 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain