Is “Osculum” a Scrabble word?
Yes
OSCULUM
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 Osculum
noun
1.A small opening or orifice.
2.One of the suckers on the head of a tapeworm.
3.The main opening in a sponge from which water is expelled.