Definitions for "Pithy"
Consisting wholly, or in part, of pith; abounding in pith; as, a pithy stem; a pithy fruit.
Having nervous energy; forceful; cogent.
Spongy; e.g., culm of Saccharum.
concise and full of meaning; "welcomed her pithy comments"; "the peculiarly sardonic and sententious style in which Don Luis composed his epigrams"- Hervey Allen
in a pithy sententious manner; "she expressed herself pithily"
Keywords:  meaningful, substance, point
having meaningful substance and point
Keywords:  sense, little, wood, sometimes, large
Sometimes used in the sense of having a large pith and little wood.