jabot

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An ornamental cascade of ruffles or frills down the front of a shirt, blouse, or dress.

from The Century Dictionary.

• noun A frilling or ruffle worn by men at the bosom of the shirt in the eighteenth century; also, a frill of lace, or some soft material, arranged down the front of a woman's bodice.
• noun In entomology, the crop of any herbivorous orthopterous insect.

from the GNU version of the Collaborative International Dictionary of English.

• noun Originally, a kind of ruffle worn by men on the bosom of the shirt.
• noun An arrangement of lace or tulle, looped ornamentally, and worn by women on the front of the dress.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A cascading or ornamental frill down the front of a blouse, shirt, etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a ruffle on the front of a woman's blouse or a man's shirt