Madonna veil: A veil that falls just below the chin and is worn at informal weddings.

Maid Of Honor: An unmarried woman known as the chief bridesmaid in some countries, she is the last bridesmaid to walk down the aisle before the bride herself. She will also hold onto the bouquets during the vows and see that the brides dress is properly turned out.

Mandarin collar: A collar that stands up around the neck and above the buttons; this is the most contemporary style.

Man of Honor: Some brides prefer to have a male friend attending to the duties of the maid of honor.

Mantilla: This is a Spanish word for a tulle shawl that the bride can wear around her head and shoulders.

Marbled paper: Paper that looks like marble finish.

Marzipan: A paste made of sugar, egg whites and almonds that can be used as a base for icing and sculpting on a wedding cake.

Matron Of Honor: The maid of honor who is already married.

Matte (invitations): Paper with a flat, non-glossy finish.

Matte Hosiery: Hosiery with a dull finish.

Mermaid Silhouette: Slim-fitting dress silhouette that flares out at the knee.

Midriff:  Revealing the stomach, this bodice fits tightly around the ribcage.

Mini (skirt):  This skirt ends above the knee. Some designs include detachable overskirts which may be removed for the reception.

Mise en place: "To put in place" and is used to refer to all the preparation for service, including table settings, beverage supplies, china, silverware, etc., or to the pre-cooked ingredients made by the chef before final cooking and presentation.

Mizinke (meh-ZINK-a): A joyous dance towards the end of the simcha (reception), which honors parents who have brought their last daughter or son to the wedding canopy. The parents are seated on the dance floor, and the guests encircle them -- lavishing them with flowers and kisses. Sometimes the parents are crowned with a wreath of flowers, which is called the "Krenzl." The dance is to "Die Mezinke Oysgegeben" ("The Youngest Daughter is Given").

Modified Sheath Silhouette: Dress silhouette that is form-fitting through the torso. It is narrow in the front of the skirt, like the sheath, but flares out below the hips in the back to finish in a small train.
 
Monarch Train: Extends 12 feet or more from the waist.

Money bag: A bag used for the bride to hold monetary gifts given during the wedding.

Money Box: A box usually put on the dais for guest to put wedding cards.

Morning Coat: A jacket worn by the groom for a formal daytime wedding which tapers from the front waist button to a long, wide back tail.