Real Dictionary

frill
If you describe something as having no frills, you mean that it has no extra features, but is acceptable or good if you want something simple.
countable noun: A frill is a long narrow strip of cloth or paper with many folds in it, which is attached to something as a decoration.

frill in American English
a fold or fringe of hair or feathers around the neck of a bird or animal
to become wrinkled, as a film, due to a separation of the emulsion from the base
to make a ruffle of; crimp
intransitive verb: to become wrinkled or loose
noun: a trimming, as a strip of cloth or lace, gathered at one edge and left loose at the other; ruffle
transitive verb: to trim or ornament with a frill or frills

frill in British English
noun: a gathered, ruched, or pleated strip of cloth sewn on at one edge only, as on garments, as ornament, or to give extra body
verb: to adorn or fit with a frill or frills