Dual premiership Adelaide defender Dayna Cox has announced her retirement from the AFLW after seven years with the Crows.

Cox, who was signed to the club's inaugural squad at the end of 2016 as a free agent, played 32 games for the South Australian club.

She would make her AFLW debut in the club's maiden match in the top flight in 2017 and would play in the Crows' grand final win layer that season.

Cox would double her premiership tally when Adelaide notched up their second AFLW premiership with a win over Carlton in 2019.

After spending Season Seven on the club's inactive list due to work commitments, Cox has decided to call time on her career.

“I will be forever grateful and proud to be a part of the inaugural Adelaide Crows AFLW team,” Cox said in a club statement.

“Thank you to the Club, the support staff, our supporters and sponsors, you give us the opportunity to play this great game and the success the Club has shared thus far is a credit to all involved.

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“To my teammates, the bonds we have made are irreplaceable and I can only hope I served you well as a defender who sometimes let the fire in her belly get a little out of hand.

“To my partner, my family, my friends, my work colleagues, thank you for your constant and unwavering support to allow me to live out a dream no one knew was possible.”

Cox's retirement follows the decision of fellow defender and premiership teammate Marijana Rajcic, who hung up the boots last month.