Is “Buckler” a Scrabble word?
Yes
BUCKLER
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 Buckler
/ˈbʌk.lə/
noun
1.One who buckles something.
2.A kind of shield, of various shapes and sizes, held with a hand (usually the left) for protecting the front of the body. In the sword and buckler play of the Middle Ages in England, the buckler was a small shield, used, not to cover the body, but to stop or parry blows.
3.A shield resembling the Roman scutum. In modern usage, a smaller variety of shield is usually implied by this term.
verb
1.To shield; to defend.