Looking for the meaning or definition of the word half shell? Here's what it means.
Adjective
(rare, colloquial, especially with "on the") Inexpensive; not overpriced.
Noun
(physics) Any half of a roughly spherical-like object; any dome-shaped object.
(of food, especially with "on the") Either half of a clamshell especially when used to serve individual portions of spiced, minced, breaded, baked clams.