Boyd’s Bible Dictionary:
(protected). A Kohathite Levite, son of Uzziel (Ex. 6:22).
Concise Bible Dictionary:
Son of Uzziel, a son of Kohath (Ex. 6:22). The name is really SITHRI. In Exodus 6:21 The name Zithri should be ZICHRI, as in the AV of 1611.
Strong’s Dictionary of Hebrew Words:
Meaning:
from 5643; protective; Sithri, an Israelite,: --Zithri.
Jackson’s Dictionary of Scripture Proper Names:
my hiding-place
Potts’ Bible Proper Names:
A cave; my secret; protective; overturned:―a son of Uzziel, Exod. 6:22. {Latibulum}