A falling back, retirement, or withdrawal, as of oneblank" >target="_blank" >surface behind another in a panel, or of a minute/" class="glossaryLink" data-cmtooltip="ef328eee7126d5b8feb878c4647cd9b3" target="_blank" >part of a blank" >target="_blank" >building, or of a whole blank" >target="_blank" >building, behind orto the rear of another. (Sturgis, 1900)