From BiblePortal Wikipedia

King James Dictionary [1]

Spa'Ring, ppr.

1. Using frugally forbearing omitting to punish or destroy. 2. a. Scarce little. 3. Scanty not plentiful not abundant as a sparing diet. 4. Saving parsimonious. Virgil being so very sparing of his words, and leaving so much to be imagined by the reader, can never be translated as he ought in amy modern tongue.

Webster's Dictionary [2]

(1): ( a.) Spare; saving; frugal; merciful.

(2): ( p. pr. & vb. n.) of Spare