frill

frill /ˈfrɪl/ noun
plural frills
frill
/ˈfrɪl/
noun
plural frills
Britannica Dictionary definition of FRILL
[count]
1 
: a strip of cloth that is gathered into folds on one edge and attached to something (such as clothing or curtains) as a decoration
2 
: something that is added but is not necessary — see also no-frills