A young, attractive woman married to an older, more powerful man.

His role in the relationship is to be her sugar daddy and provide her with power and material wealth. Hers, beyond providing sex, is to remind others that he is powerful or rich enough to be desirable to such a woman despite his age and thus to serve as a marker of this status -- hence the "trophy" part. A specialized type of gold digger.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.

a woman who marries for money and sits at home all day looking pretty

Any one of Donald Trump's current of former wives.

A usually young woman, not necessarily a gold-digger, who is married to a much more older man with power, wealth.etc
Those women are usually at home, 24-hour luxury, and with the children. Sun-bathing, rich friends socializing, -just enjoying the wealth and producing his children are her job.

A good looking woman who the man is proud to call his trophy wife.

A typically educated girl who marries rich and is a home maker or who's roll is to stay home and look pretty, play tennis, do charity etc. Lots of girls now a days go through college then take this roll because they are the perfect girl for a certain person and would rather spend their time at home and let their husband bring home the bread. They are the girly girls.