Entry 3 senses · 2 variants Webster, 1913 Infield /ĭn'-fēldˌ/ · In·field · IPA /ˈɪnfiːld/ v. t. n. 01 v. t. To inclose, as a field. 1. To inclose, as a field.[R.] 02 n. Arable and manured land kept continually under crop; -- distinguished from outfield. 1. Arable and manured land kept continually under crop; -- distinguished from outfield.[Scotland] 2. The diamond; -- opposed to outfield. See Diamond, n., 5.(Baseball) See: Diamond