eyeball

You are here

eyeball
  • noun
    The round part of the eye of a vertebrate, within the eyelids and socket. In mammals it is typically a firm, mobile, spherical structure enclosed by the sclera and the cornea. (The surgeon uses a wire speculum to retract the eyelids to expose the eyeball.)

About

We are dedicated to creating and providing free, high-quality English language learning resources.