Is “Ho” a Scrabble word?
Yes
HO
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Ho
noun
1.A stop; a halt; a moderation of pace.
interjection
1.Used to attract attention to something sighted, usually by lookouts.
2.Halloo; hey; a call to excite attention, or to give notice of approach
3.Said as a limb is swung in attack.