
1) Animal anatomy 2) Lobster part 3) Piece of lobster or shrimp 4) Snail feature
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https://www.crosswordclues.com/clue/eyestalk

1) Stipes
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https://www.crosswordclues.com/clue/eyestalk

In anatomy, an eyestalk (sometimes spelled as eye stalk or known as an ommatophore) is a protrusion that extends the eye away from the body, giving the eye a better field of view than if it were unextended. It is common in nature and in fiction. == In nature == In nature, eyestalks are sometimes called tentacles, and may have olfactory organs and/...
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http://en.wikipedia.org/wiki/Eyestalk

• (n.) One of the movable peduncles which, in the decapod Crustacea, bear the eyes at the tip.
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http://thinkexist.com/dictionary/meaning/eyestalk/
Eye'stalk` noun (Zoology) One of the movable peduncles which, in the decapod Crustacea, bear the eyes at the tip.
Found on
http://www.encyclo.co.uk/webster/E/100

the stalk or peduncle upon which the eye is borne in lobsters, shrimps, etc.
Found on
https://www.infoplease.com/dictionary/eyestalk
No exact match found.