The Collaborative International Dictionary of English v.0.48:

Squir \Squir\ (skw[~e]r), v. t.
   To throw with a jerk; to throw edge foremost. [Obs.] [Written
   also squirr.] --Addison.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Squirr \Squirr\ (skw[~e]r), v. t.
   See Squir.
   [1913 Webster]