The columella or central axis of the shell has a large double fold.

Double Fold is a controversial work and is not meant to be objective.

It appears to consist of a cap fitted close to the head, and advancing in a double fold over the forehead.

A newsboy on the corner whipped a newspaper from under his arm, twisted it in a double fold.

A double fold of continuous concrete is interspersed with blue-tinted glass.

Baker's new book, "Double Fold," is unlikely to make his life any more peaceful.

Double Fold was viewed by many as a scathing indictment of librarians and libraries everywhere.

A double fold is a process of folding a paper sample first backwards and then forwards about the same line, i.e. one complete oscillation.

This cavity is formed by the mantle skirt, a double fold of mantle which encloses a water space.

By far the most common operation is the excision of part of the upper eyelid, to create a double fold and a larger, rounder eye.