The Collaborative International Dictionary of English v.0.48:

Calve \Calve\ (k[aum]v), v. i. [imp. & p. p. Calved 3; p. pr.
   & vb. n. Calving.] [AS. cealfian. See Calf.]
   1. To bring forth a calf. "Their cow calveth." --Job xxi. 10.
      [1913 Webster]

   2. To bring forth young; to produce offspring.
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            Canst thou mark when the hinds do calve? --Job
                                                  xxxix. 1.
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            The grassy clods now calved.          --Molton.
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   3. (Phys. Geog.) To throw off fragments which become
      icebergs; -- said of a glacier.
      [Webster 1913 Suppl.]