an eyelash.
anything that enters or irritates the eye and causes blinking.

Origin of eyewinker

First recorded in 1800–10; eyewink + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for eyewinker

Historical Examples of eyewinker

  • They've got you between them, an' if you bat an eyewinker they'll down you.

    The Trail Horde

    Charles Alden Seltzer