| a scrap or morsel of food left at a meal. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| pick at | |
| —vb | |
| (intr, preposition) to make criticisms of in a niggling or petty manner | |
pick at
Pluck or pull at, especially with the fingers, as in She was always picking at her skirt with her nails. [1600s]
Eat sparingly and without appetite, as in He was just picking at his dinner. [Late 1500s]
Nag, badger, as in He's picking at me all day long. [Colloquial; second half of 1600s]