All 4 Uses of

delicacy
in
The Screwtape Letters

This has largely been effected by concentrating all our efforts on gluttony of Delicacy, not gluttony of Excess.†
Chpt 17 *

If challenged, she would say she was doing this to avoid waste; in reality she does it because the particular shade of delicacy to which we have enslaved her is offended by the sight of more food than she happens to want.†
Chpt 17

If he is an arrogant man with a contempt for the body really based on delicacy but mistaken by him for purity—and one who takes pleasure in flouting what most if his fellows approve—by all means let him decide against love.†
Chpt 19

Definitions:

(1) (delicacy as in: eat the delicacy)
something that is rare or expensive -- usually a prized food
(2) (delicacy as in: discuss with delicacy)
care and gentleness -- especially speaking or acting with sensitivity and tact
(3) (delicacy as in: offend her delicacy)
the quality of being easily hurt or damaged

(often referring to the fragility of someone's emotional well being when it is easily distressed by something that is offensive or disturbing)
(4) (delicacy as in: delicacy of the brushwork)
pleasant subtlety or fineness