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Glite Dictionary
on a half shell

on a half shell

1 5.2
Served on the bottom shell only without the top shell
  • idiom
  • US
translation icon : en media concha

Examples

  • Did you eat some shit on a half shell?

    Bait (2000)

  • The restaurant offers fresh oysters on a half shell as a popular appetizer.

  • We enjoyed delicious clams on a half shell with cocktail sauce for dinner.

  • At the seafood festival, they served shrimp on a half shell with a tangy lemon dressing.

Surface Forms

on a half shell positive

Morphology

on + a + half + shell

The phrase literally describes something served "on" (on top of) "a half shell" (one half of a shell), so a learner who knows 'on', 'half' and 'shell' can compose the meaning that the shellfish is presented on one half of its shell. This is a straightforward descriptive, compositional kitchen/menu expression (cross-linguistically comparable) and does not require idiomatic knowledge.

Etymology

The phrase on a half shell comes from the way shellfish are served: cooks remove the top shell so the meat sits on the bottom half of the shell. So when food is described as on a half shell, it means 'served on the bottom shell'.