n.
1.the formation of stonelike objects within a body organ (e.g., the kidneys)
2.a hard lump produced by the concretion of mineral salts
3.an increase in the density of something
4.the union of diverse things into one body or form or group
Idiom of the Day
peg away (at something)
to keep working at something, to keep trying something
My friend has been pegging away at his job for many years now.