Brooch dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — Internet Archive - Anonymous

To dream that you are wearing jewellery depends upon the surroundings for its importance.

If you are at home, it is a fortunate omen, but if you wear it at a strange house, then expect trouble.

Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 2 — Klaus Vollmar

As with all other jewelry, it refers to vanity or cultivation in life. You want recognition, to amount to something, or to receive a gift.
Source: Little Giant Encyclopedia Author: Klaus Vollmar

Interpretation 3 — Margaret Hamilton

To “pin” one’s self with an outward show of a personal accomplishment and adoration; see “ornament”
Source: Dream Dictionary Unlimited Author: Margaret Hamilton

Interpretation 4 — Stearn Robinson - Tom Corbett

See Jewelry.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett