Definitions
1.NounA comprehensive directory of fashion-related companies and people, such as fashion designers, industry figures, brands and retail stores.
2.NounA contiguous showcase of still images of a fashion designer or fashion brand’s collection.
3.NounA showcase of photographs etc. describing how a film should look.
4.VerbTo locate fashion-related information by means of a directory."She lookbooked little black dresses in order to locate the one she wanted."