rind

tree bark

A hard, tough outer layer, particularly on food such as fruit, cheese, etc

Sweetest nut hath sourest rind.

Thou canst not touch the freedom of my mind / With all thy charms, although this corporal rind / Thou hast immanacled.

The gall, the crust, the insolence; often as "the immortal rind"

"I'm hanged if I know how you've got the immortal rind to come at me with a yarn like this."

Taking the money from a man when he's got his pants down. What are you, a doctor or a tailor's tout? Thirty bucks! If I figured you'd have the rind to touch me that much I'd have lashed them up with a pair of braces!

To remove the rind from.

An iron support fitting used on the upper millstone of a grist mill.