“Shiggaion” From Boyd’s Bible Dictionary:
(mournful). A word which probably designates the character of the ode (Psa. 7 title).
“Shigionoth” From Boyd’s Bible Dictionary:
Plural of Shiggaion
(Hab. 3:1).
Concise Bible Dictionary:
A word in the heading of Psalm 7, and (in the plural “upon Shigionoth”) in the prayer of Habakkuk (Hab. 3:1): its meaning is not known.
Strong’s Dictionary of Hebrew Words:
Transliteration:
shiggayown
Meaning:
or shiggayonah {shig-gaw-yo-naw'}; from 7686; properly, aberration, i.e. (technically) a dithyramb or rambling poem
KJV Usage:
Shiggaion, Shigionoth
Jackson’s Dictionary of Scripture Proper Names:
erratic : wanderings
Potts’ Bible Proper Names:
Wanderings; a dithyrambic ode:―plural of Shiggaion, Hab. 3:1. {Vagationes}