The Collaborative International Dictionary of English v.0.48:

Skirr \Skirr\, v. t. [Cf. Scur, Scurry.]
   To ramble over in order to clear; to scour. [Archaic] --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Skirr \Skirr\, v. i.
   To scour; to scud; to run. [Archaic]
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The Collaborative International Dictionary of English v.0.48:

Skirr \Skirr\, n. (Zool.)
   A tern. [Prov. Eng.]
   [1913 Webster]