To consume or use up, erode or wear away gradually.
To erode.
To cause to feel uneasy, troubled, worried, guilty, or vexed; to bother about something.
To scratch so as to relieve an itch or irritation.
To make a light scratching sound, like a small animal burrowing.
The act of scratching an itch.
A light scratching sound, like a small animal burrowing.