Merriam-Webster's Collegiate® Dictionary, 11th Edition
RUFFLE
I. verb (ruffled; ruffling)
Etymology: Middle English ruffelen; akin to Low German ruffelen to crumple
Date: 14th century
transitive verb
1. roughen , abrade , trouble , vex , to erect (as feathers) in or like a ruff,
3. to flip through (as pages), shuffle , to make into a ruffle, intransitive verb to become ruffled ,
II. noun
Date: 1534
commotion , brawl , a state or cause of irritation,
3. a strip of fabric gathered or pleated on one edge, ruff II,2, an unevenness or disturbance of surface ; ripple , ruffly adjective
III. noun
Etymology: ruff a drumbeat
Date: circa 1802
a low vibrating drumbeat less loud than a roll