Is “Walkup” a Scrabble word?
Yes
WALKUP
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 Walkup
noun
1.An apartment or block with stairs rather than an elevator.
2.An informal visit to a control tower by a pilot, typically used as part of pilot training.
3.A mountain that can be climbed without specialist equipment.