Is “Jackstay” a Scrabble word?
Yes
JACKSTAY
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 Jackstay
noun
1.A stay (rope, bar or batten), running along a ship's yard, to which is attached the head of a square sail.
2.A cable between two ships or from a ship to a fixed point which can be used to support a load during transfer of personnel or materiel along the cable.
3.A line (rope, webbing or cable), attached to a boat at the ends, to which a safety harness can be clipped to restrain falling in rough conditions and to prevent falling overboard.