הִלּוּלhillûwl/hil-lool'/
HebrewH19742 occurrences (KJV)
a celebration of thanksgiving for harvest
KJV renders it: merry, praise.
Where it appears
Lexical data: Strong’s Hebrew & Greek Dictionaries (1890, public domain; openscriptures, CC-BY-SA). Word tagging from the Strong’s-numbered KJV.