Is “Altar” a Scrabble word?
Yes
ALTAR
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 Altar
/ˈɑl.tɚ/
noun
1.A table or similar flat-topped structure used for religious rites.
2.A raised area around an altar in a church; the sanctuary.
3.Anything that is worshipped or sacrificed to.