Is “Rowlock” a Scrabble word?
Yes
ROWLOCK
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 Rowlock
/ˈɹɒlək/
noun
1.A pivot attached to the gunwale (outrigger in a sport boat) of a boat that supports and guides an oar, and provides a fulcrum for rowing; an oarlock (mostly US).
Synonyms: oarlock, thole, tholepin, thowel