Definition of eyestalk in English:

eyestalk

noun

Zoology
  • A movable stalk that bears an eye near its tip, especially in crabs, shrimps, and related crustaceans, and in some mollusks.

    • ‘We also report the presence of eyestalk attachments in both Achoania and Psarolepis.’
    • ‘Ablation of one eyestalk is generally practised in all commercial prawn hatcheries to induce gonad matura-tion and spawning.’

Pronunciation:

eyestalk

/ˈīˌstôk/