F
Flannel: Soft, brushed-finish fabric, typically made of cotton or wool. It can be as tailored and refined as it is relaxed and outdoorsy.

Fishnet: A fabric, often used in lingerie or hosiery, with an open-mesh weave that resembles a fishing net.

G
Madame Gres (1903-1993): The Parisian couturier considered the master of the bias cut is credited with adapting the modern goddess gown. Madame Gres was born Germaine Emilie Krebs but created her professional name based on an anagram of her artist husband's first name, Serge. He signed his work Gres.

Gauchos: Mid-calf length pants with wide legs fashioned after the South American cowboys who were also called gauchos.

H
Haute couture: The French term for high fashion specifically refers to one-of-a-kind clothing produced by design houses that meet criteria established by the French Ministry of Industry. It's a protected appellation, similar to Champagne. However, the term is used colloquially to mean fancy, expensive fashion.

Halter: Neckline to a sleeveless garment that leaves the shoulders--and often the upper back--exposed. There are different halter silhouettes but most either tie or have a strap that goes around the back of the neck.

Part 2 coming soon!
Photos courtesy of the Fashion Spot forums.