in·field /ˈɪnˌfild/
  農宅周圍的田園,耕地,內野
  In·field v. t. To inclose, as a field. [R.]
  In·field n.
  1. Arable and manured land kept continually under crop; -- distinguished from outfield. [Scotland]
  2. Baseball The diamond; -- opposed to outfield. See Diamond, n., 5.
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  infield
       n : the area of a baseball field that is enclosed by 3 bases and
           home plate [syn: baseball diamond, diamond] [ant: outfield]