Frock
Definition 1 of 3
Pro Tip 1/3
Fashion Term
Frock is often used to describe a particular style of dress, not any dress. In vintage shops, you might find a frock with an old-fashioned elegance.
Pro Tip 2/3
Older Usage
'Frock' can sound old-fashioned; in modern contexts, 'dress' is more common. My grandmother calls all my dresses frocks.
Pro Tip 3/3
Formal Occasions
Frock might be used for formal or special occasion dresses in contemporary use. She's shopping for a frock for the wedding.