TgJ 1K7:9 :אַבנִין טָבָן כְמִשחָת גָזִית מְמַסְרָן בְמַסָרִין מִלְגָיו וְמִלְבָרָא‏ : precious stones, precisely measured and sawed with saws inside and out like ashlar blocks
See the entire entry for msr#2 vb. to saw