Gittith

Boyd’s Bible Dictionary:

A musical instrument or melody
(Psa. 8; 81; 84 titles).

Concise Bible Dictionary:

Apparently a musical instrument, the nature of which is unknown. From its name it has been supposed to have formerly been used at Gath. Others connect it with Obed-edom the Gittite. It occurs only in the headings of Psalm 8, Psalm 81 and Psalm 84.

Strong’s Dictionary of Hebrew Words:

Number:
1665 (find all occurrences in KJV Bible)
Transliteration:
Gittiyth
Phonic:
ghit-teeth’
Meaning:
feminine of 1663; a Gittite harp
KJV Usage:
Gittith

Jackson’s Dictionary of Scripture Proper Names:

feminine of Gittites

Potts’ Bible Proper Names:

A wine-press:―a Gittite harp [GATH], Psa. 8: Title. {Torcular}