Is “Sabre” a Scrabble word?
Yes
SABRE
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 Sabre
/ˈseɪ.bɚ/
noun
1.A light sword, sharp along the front edge, part of the back edge, and at the point.
2.A modern fencing sword modeled after the sabre.
verb
1.To strike or kill with a sabre.