Is “Span” a Scrabble word?
Yes
SPAN
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 Span
/spæn/
noun
1.The space from the thumb to the end of the little finger when extended; nine inches; an eighth of a fathom.
2.(by extension) A small space or a brief portion of time.
“He has a short attention span and gets bored within minutes.”
3.A portion of something by length; a subsequence.