Answer: plumed

AnswerCrossword Clue
PLUMED

Like an egret

PLUMED

Like a peacock

PLUMED

How a Mexican mythical serpent is depicted

PLUMED
Like Yankee Doodle's cap
PLUMED
"... Knight": Blaine's Presidential campaign title, 1876.
PLUMEDFeathered.
PLUMED... Knight (J. G. Blaine)
PLUMEDFeathered