Hypertext Webster Gateway: "sper"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sper \Sper\, Sperre \Sperre\, v. t. [See {Spar} bar.]
To shut in; to support; to inclose; to fasten. [Obs.] ``To
sperre the gate.'' --Spenser.
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