Sechu

Strong’s Dictionary of Hebrew Words:

Transliteration:
Sekuw
Phonic:
say’-koo
Meaning:
from an unused root apparently meaning to surmount; an observatory (with the article); Seku, a place in Palestine
KJV Usage:
Sechu

Jackson’s Dictionary of Scripture Proper Names:

they hedged up

Potts’ Bible Proper Names:

A watch-tower; an observatory; a bough:―a place in Palestine, 1 Sam. 19:22. {Specula}