1. adjective
a) Delicately small and pretty.
b) Fastidious and fussy when eating.
2. noun
a) A delicacy.
...my case was deplorable enough, yet I had great cause for thankfulness that I was not driven to any extremities for food, but had rather plenty, even to dainties.
b) Fancy cookies, pastries, or squares served at a social event (usually plural).
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