Bakbuk

Boyd’s Bible Dictionary:

(bottle). His children returned (Ezra 2:51).

Concise Bible Dictionary:

Ancestor of some Nethinim who returned from exile (Ezra 2:51; Neh. 7:53).

Strong’s Dictionary of Hebrew Words:

Transliteration:
Baqbuwq
Phonic:
bak-book’
Meaning:
the same as 1228; Bakbuk, one of the Nethinim
KJV Usage:
Bakbuk

Jackson’s Dictionary of Scripture Proper Names:

a bottle (from its gurgling)

Potts’ Bible Proper Names:

Complete emptying; bottle:―one of the Nethinim, Ezra 2:51. {Absoluta evacuatio}