The Collaborative International Dictionary
Ball-flower
Ball-flower \Ball"-flow`er\, n. (Arch.) An ornament resembling a ball placed in a circular flower, the petals of which form a cup round it, -- usually inserted in a hollow molding.
Wiktionary
ball-flower
n. (context architecture English) An ornament resembling a ball placed in a circular flower, whose petals form a cup around it; usually inserted in a hollow moulding.