What is "to enlarge the heart"

Enlarge \En*large"\, v. t. [imp. & p. p. Enlarged; p. pr. & vb. n. Enlarging.] [OF. enlargier; pref. en- (L. in) + F. large wide. See Large.]

1. To make larger; to increase in quantity or dimensions; to extend in limits; to magnify; as, the body is enlarged by nutrition; to enlarge one's house.

   To enlarge their possessions of land.
   --Locke.

2. To increase the capacity of; to expand; to give free scope or greater scope to; also, to dilate, as with joy, affection, and the like; as, knowledge enlarges the mind.

   O ye Corinthians, our . . . heart is enlarged.
   --2 Cor. vi. 11.

3. To set at large or set free. [Archaic]

   It will enlarge us from all restraints.
   --Barrow.

   Enlarging hammer, a hammer with a slightly rounded face of large diameter; -- used by gold beaters.
   --Knight.

   To enlarge an order or To enlarge a rule (Law), to extend the time for complying with it.
   --Abbott.

   To enlarge one's self, to give free vent to speech; to spread out discourse. ``They enlarged themselves on this subject.''
   --Clarendon.

   To enlarge the heart, to make free, liberal, and charitable.

   Syn: To increase; extend; expand; spread; amplify; augment; magnify. See Increase.