From Longman Dictionary of Contemporary Englishfull-length mirror/photograph/portrait etcfull-length mirror/photograph/portrait etcALL/EVERYTHINGa mirror etc that shows all of a person, from their head to their feet → full-length
Examples from the Corpus
full-length mirror/photograph/portrait etc• Dropping the robe off her shoulders, Anne turned to a full-length mirror.• She grimaced a little as she caught sight of her own reflection in the full-length mirror.• She caught sight of her own reflection in the full-length mirror behind the wardrobe door and gave a disgusted snort.• She stared at herself for some time in the full-length mirror of the attic bedroom.• He put his handkerchief in his pocket, and looked into the full-length mirror on the back of the guest room door.• If a full-length mirror rests on the floor with the top tilting away from you it can make you look taller.• On a platform nearby, another man jumps rope before a full-length mirror while a fourth pounds a speed bag. 