flat rectangular piece of wood, metal, glass or other material fastened horizontally to a wall or in a cupboard, bookcase, etc. for things to be placed on
thing resembling a shelf, especially a piece of rock rejecting from a cliff, etc. or from the edge of a mass of land under the sea
A narrow room, made narrower by..plate-glass shelves..crammed with porcelain.
出自： B. Chatwin