The Collaborative International Dictionary of English v.0.48:

Ingate \In"gate`\, n.
   1. Entrance; ingress. [Obs.]
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            Which hath in charge the ingate of the year.
                                                  --Spenser.
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   2. (Founding) The aperture in a mold for pouring in the
      metal; the gate. --Simmonds.
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