What is "infields"

Usage examples of "infields".

Then their diamonds have just over normal-sized infields, but the outfields have to be huge.

He landed lightly, ready to throw again himself: after so many years on so many infields, he could probably do that in his sleep.

Our brother, Brian de Bois-Guilbert, is well known to ourselves, and to all degrees who now hear me, as a true and zealous champion of the Cross, by whose arm many deeds of valour have been wrought in the Holy Land, and the holy places purified from pollution by the blood of those infields who defiled them.