Answer: corbelled

AnswerCrossword Clue
corbelledto support by means of a corbel or corbels
corbelledCORBEL, to provide a wall bracket
corbelledany bracket, especially one of brick or stone, usually of slight extent
corbelledshort horizontal timber supporting a girder
corbelledto set (bricks, stones, etc.) so as to form a corbel or corbels (usually fol. by out)