Strong’s Dictionary of Hebrew Words:
Meaning:
from an unused root meaning to split; fissure; Tselek, an Israelite
Jackson’s Dictionary of Scripture Proper Names:
shadow of a cliff: fissure
Potts’ Bible Proper Names:
Cleaving; fissure; shadow or noise of one licking:―one of David’s guard, 2 Sam. 23:37. {Fissio}