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half shell

half shell

3 4.6
A shell cut in half that serves as a dish for oysters or clams
  • noun
translation icon : media concha
  • Ever go to an oyster bar and have them raw on the half shell with some cocktail sauce?
  • oysters on the half shell

Examples

  • Can we go to Lindy's now so I can get some clams on the half shell?

  • Between them was a platter of oysters on the half shell, a bottle of Tabasco, and two Jax beers.

    Fiction book (1990)
  • Oysters on the half shell.

  • I wanna send over some clams on the half shell.

    Fiction book (1997)
  • Jack is eating clams on the half shell and talking to Amber.

    Fiction book (1997)
  • I swear, in less than a minute, the top of my tackle box was lined with half shells of fine oysters.

    Fiction book (1997)
  • On the half-shell, they usually sell for more than $1.00 each and often above $2.00 each in the northeastern United States.

    Academic text (1996)
  • Oysters on the half shell were good, but the mignonette was warm, not chilled, and much too vinegary.

    Blog text (29)
  • For oysters on the half-shell, many establishments served 10-15 varieties simultaneously.

    Academic text (1996)
  • The restaurant served fresh oysters on the half shell with lemon and hot sauce.

Surface Forms

half shell singular
half shells plural

Morphology

half + shell

The meaning is directly compositional: 'half' + 'shell' denotes literally one of two parts of a shell, and in culinary contexts refers to a shell split in half used for serving (e.g. oysters on the half shell). This is a literal, cross‑linguistically common construction, so a B1 learner who knows both words would be able to infer the MWE's meaning.

Etymology

The phrase half shell comes from the simple image of a shell cut in half and used like a small plate. That's why when you order oysters 'on the half shell', they arrive in the open shell halves as a serving dish.