BT Git 67b(24) :מציעתא דרישא‏ : the middle of the head
See the entire entry for mṣīˁā, mṣīˁtā n.f. middle

BT Git 67b(24) :וליקרעיה שתי וערב‏ : he should rip it up lengthwise and crosswise
See the entire entry for šṯē, šeṯyā n.m. warp