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Webster 1913 Edition

Noun.

[Ir

sgian

; akin to Gael.

sgian

, W.

ysgien

a large knife, a scimiter.]

A knife or short dagger, esp. that in use among the Highlanders of Scotland.

[Variously spelt.]

“His skean, or pistol.”

Spenser.

Noun.

A short sword, or a knife. [Not in use.]

skean ‎(plural skeans)

Obsolete form of skein.
A double-edged, leaf-shaped, typically bronze dagger formerly used in Ireland and Scotland