Is “Horning” a Scrabble word?
Yes
HORNING
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 Horning
verb
1.(of an animal) To assault with the horns.
2.To furnish with horns.
3.To cuckold.
noun
1.The activity of blowing the horn of a train.
2.The appearance of the Moon when increasing, or in the form of a crescent.
3.A mock serenade with tin horns and other discordant instruments by way of showing public disapproval.