Strong's #6725: tsiyuwn (pronounced tsee-yoon')
from the same as 6723 in the sense of conspicuousness (compare 5329); a monumental or guiding pillar:--sign, title, waymark.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
tsı̂yûn
1) signpost, monument, market
Part of Speech: noun masculine
Relation: from the same as H6723 in the sense of conspicuousness [compare H5329]
Usage:
This word is used 3 times:
2 Kings 23:17: "Then he said, What title is that that I see? And the men"
Jeremiah 31:21: "Set thee up waymarks, make thee high heaps: set thine heart toward the highway, even the way"
Ezekiel 39:15: "a man's bone, then shall he set up a sign by it, till the buriers have buried"