Dictionary.net

A puckering or fulling produced in a fabric by means of parallel gathering-threads.

To draw up (cloth) by gathering on parallel gathering-threads; in cooking, to poach in cream, as eggs.

To gather on parallel gathering threads.

In cooking, to poach in cream.

A fulling by means of gathering threads.

An elastic cord inserted between two pieces of cloth.

n. An insertion of cord (usually elastic) between two pieces of cloth; also, the cord itself or the cloth made with it.