Flicker has 11 different meanings across 3 categories:
Noun · Verb · Proper Noun
North American woodpecker
"The flicker tapped steadily on the old oak tree in our backyard."
An unsteady flash of light.
"The old man spent his evenings by the fire, a solitary flicker of light in the dark room."
Any of certain small woodpeckers, especially of the genus Colaptes.
One who flicks.
To burn or shine unsteadily, or with a wavering light.
"The dying candle flickered in the drafty room before finally going out."
A surname.
"The local historian mentioned that several early settlers bore the surname Flicker before moving westward."