Is “Spline” a Scrabble word?
Yes
SPLINE
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 Spline
/splaɪn/
noun
1.Long thin piece of metal or wood.
2.A rectangular piece that fits grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together.
3.A flexible strip of metal or other material, that may be bent into a curve and used in a similar manner to a ruler to draw smooth curves between points.
verb
1.To smooth (a curve or surface) by means of a spline.
2.To fit with a spline.
3.To fasten to or together with a spline.