Strong's #6660: tsdiyah (pronounced tsed-ee-yaw')
from 6658; design (compare 6656):--lying in wait.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
tsedı̂yâh
1) lying in wait, ambushing
Part of Speech: noun feminine
Relation: from H6658
Usage:
This word is used 2 times:
Numbers 35:20: "or hurl at him by laying of wait, that he die;"
Numbers 35:22: "upon him any thing without laying of wait,"